VSTAR UA150 1500VA UPS | Simulated Sine Wave Output | 230V | 24VDC Battery System | 50/60Hz Auto Sensing | Compact Design | Black Color | Model UPS-UA150 Robust 1500VA Power CapacityThe VSTAR UA150 delivers 1500VA of reliable backup power to safeguard your essential electronics, including PCs, servers, routers, and security systems. Dual Voltage CompatibilitySupports 110/120V or 220/230/240V input, making it ideal for use in a variety of international voltage environments. Stable 230V Output with AVR FunctionalityMaintains a consistent 230VAC output, protecting connected devices from voltage fluctuations and surges. Simulated Sine Wave OutputProvides a simulated sine wave waveform suitable for most common electronics, especially during normal backup operations. Auto-Sensing FrequencyAutomatically detects 50Hz or 60Hz power sources, adapting to your electrical environment without manual adjustments. Compact, Space-Saving DesignMeasuring just 353 x 149.3 x 162 mm, the UA150 fits neatly on or under desks, in server cabinets, or against walls. Reliable 24VDC Battery SystemOperates on a 24VDC internal battery configuration, delivering longer runtimes and better reliability during outages. Universal Output SocketsEquipped with IEC-style or universal output sockets that are compatible with a wide range of devices. Sleek Black FinishA clean and modern black color allows it to blend seamlessly into professional or home environments. Ideal for Home or OfficeProtects critical electronics, telecom gear, and POS systems from data loss and downtime.
WiWU ZM‑901 – Sturdy foldable aluminum stand with adjustable angles and silicone pads, weighing just 900 g.Enhances posture, airflow, and workspace ergonomics while staying compact and travel-friendly. Model: WiWU ZM‑901 Material: Metal (aluminum/carbon steel) frame with silicone pads for grip Dimensions (Folded): 260 × 225.5 × 53 mm Package Size: 290 × 250 × 50 mm Net Weight: Approx. 900 g Compatibility: Fits laptops, tablets, and smartphones up to ~17 ” (some listings note 15.6″ limit, but device capacity varies) Features: Adjustable angle configuration, detachable foldable design for portability, silicone surface pads for anti-slip and vibration reduction Build & Design: Durable yet lightweight, crafted to enhance airflow and promote ergonomic posture
In the realm of monitors, the ViewSonic VA2201-H stands out as a reliable and clear solution, offering a perfect blend of visual excellence and simplicity for an enhanced viewing experience. Transitioning to its key features, the VA2201-H excels in providing crystal-clear visuals. This monitor is designed to deliver sharp and vibrant images, ensuring a visually engaging experience for work or entertainment. Moreover, this display impresses with its sleek and minimalistic design. The ViewSonic VA2201-H not only enhances the aesthetics of your workspace but also ensures straightforward setup, making it an ideal choice for users seeking simplicity. In addition to its functionality, the VA2201-H offers user-friendly controls and connectivity options, ensuring a hassle-free experience. This monitor seamlessly adapts to various settings, providing flexibility for different viewing preferences. Furthermore, ViewSonic’s commitment to user satisfaction is evident in the VA2201-H’s energy-efficient design and eye-care technology. It’s a reliable companion for extended viewing periods without compromising on visual quality. In conclusion, the ViewSonic VA2201-H redefines clarity and simplicity, combining clear visuals, sleek design, and user-friendly features. Elevate your viewing experience effortlessly with the VA2201-H – your clear and straightforward solution for visual excellence! Specifications Full HD 1080p 100Hz Refresh Rate 1ms Response Time Flicker-Free & Blue Light Filter View Mode: Game/Movie/Web/Text/Mono Inputs : HDMI/VGA Check other options here!
BATTERY DELL 93FTF Laptop Battery Compatible with Dell Precision15 3520 3530 Dell Latitude12 5280 E5280 Latitude E5280 E5480 E5580 E5490 E5590 E5480 E5290 E5591E5491 Series D4CMT 4YFVG 83XPC 083XPC 11.4V 51Wh About this item Battery Type:3cell Li Polymer Best Quality Voltage &Capacity :11.4V 51Wh 4254MAH Safeguard features against incorrect voltage, short circuit, internal overheating 100% Brand new ,Grade A cells battery; Quality assurance;every battery has passed factory testing; 500+ recharge cycles over
A reliable pre-owned Dell Latitude 5400 with 14" display, 8th Gen Core i5, 16GB RAM, and 512GB SSD—ideal for business users and students seeking solid performance, security, and durability in a compact form.
The Samsung 65″ QLED Q8F 4K Samsung Vision AI Smart TV QA65Q8FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look clear and immersive on the 65-inch screen. QLED technology uses Quantum Dot color enhancement to improve brightness and color accuracy. As a result, visuals appear more vibrant and balanced in both dark and bright scenes. This helps maintain consistent picture quality across different types of content and lighting conditions. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal results. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between applications. In addition, the slim design with thin bezels gives the Samsung 65 QLED Q8F 4K Samsung Vision AI Smart TV QA65Q8FAAUXTW a modern and premium appearance suitable for any living space. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful home entertainment experience. Specifications: QLED technology delivers bright and colorful picture quality 65-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
The MSI MAG 245F X24 is a 23.8-inch gaming monitor designed for fast and responsive gameplay. It features a Full HD Rapid IPS panel that delivers sharp visuals, accurate colors, and wide viewing angles. Therefore, it is a great choice for competitive gaming and everyday entertainment. The monitor supports a refresh rate of up to 240Hz and a response time as low as 0.5ms GtG. In addition, AMD FreeSync Premium helps reduce screen tearing and stuttering during fast-paced games. As a result, gameplay stays smooth and responsive. The Rapid IPS panel produces vibrant colors with support for 1.07 billion colors and HDR Ready technology. Moreover, the anti-glare screen helps reduce reflections while maintaining clear image quality in different lighting conditions. The monitor includes HDMI and DisplayPort inputs for gaming PCs and consoles. It also supports VESA mounting, allowing flexible installation on monitor arms or wall mounts. In addition, the tilt-adjustable stand helps users find a comfortable viewing angle. The MSI MAG 245F X24 combines a high refresh rate, fast response time, and reliable image quality in a compact 23.8-inch design. Therefore, it is well suited for esports players and anyone seeking a smooth gaming experience. Specifications: Display: 23.8-inch Rapid IPS, 1920 × 1080 (Full HD) Refresh Rate: Up to 240Hz Response Time: 0.5ms GtG (Minimum) Adaptive Sync: AMD FreeSync Premium with HDR Ready Connectivity: 2 × HDMI 2.0b, 1 × DisplayPort 1.2a, 1 × Headphone Out
The Samsung 83-Inch OLED S85F 4K Vision AI Smart TV | QA83S85FAEXTW delivers a premium home cinema experience with a massive OLED display. It uses OLED technology that produces deep blacks, strong contrast, and rich colors. As a result, movies, sports, and games look more realistic and immersive on the large 83-inch screen. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, color, and sharpness. Therefore, the viewing experience stays balanced and clear without manual tuning. In addition, AI upscaling improves lower-resolution content and upgrades it closer to 4K quality for better detail and clarity. The OLED panel uses self-lit pixels, so every part of the image is controlled individually. This improves detail in dark scenes while keeping bright areas accurate and vivid. HDR further expands contrast and color range, making visuals more lifelike. Fast motion also appears smoother, which improves sports and action viewing. Samsung’s Smart TV system provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the ultra-slim design with thin bezels gives the TV a modern and premium appearance that fits large living rooms and entertainment spaces. Overall, this Samsung OLED TV combines large-screen immersion, AI-powered optimization, and smart connectivity. It is designed for users who want a high-end cinematic viewing experience at home. Specifications: OLED technology delivers deep blacks and rich color accuracy 83-inch 4K display provides immersive large-screen viewing Vision AI optimizes picture and sound automatically in real time HDR enhances contrast, brightness, and color depth Smart TV platform supports streaming apps and smart features
About this item Noise-cancelling microphone reduces room noise for clearer Internet calls Full stereo sound for your music, movies and games Rotating microphone boom can be worn on your left or right side Adjustable headband gives you a customized fit Works with Windows 10 or later, Windows 8, Windows 7, Windows Vista, Mac OS X 10.5 or later, Chrome OS, Linux Kernel 2.6+ and iOS or Android devices
LENOVO BATTERY L19M4PC0 Compatible for Lenovo Legion 5P-15IMH05 Legion 5-15IMH05 5-15ARH05 Series 5B10W86196 L19M4PC0 5B10W86195 L19M4PC1 5B10W86192 L19C4PC1 5B10W86194 Laptop Battery About this item 【Battery type】Li-ion. Voltage: 15.44V. Capacity: 60Wh 4000mAh . Compatible Models (use “Ctrl+F to find your model quickly”) Fit for Legion 5P-15IMH05 Series Fit for Legion 5P-15IMH05H Series Fit for Legion 5P-15ARH05H Series Fit for Legion 5-15IMH05 Series Fit for Legion 5-15IMH05H Series Fit for Legion 5-15ARH05 Series Fit for Legion 5-15ARH05H Series. .Replacement for Part Number: L19C4PC0 5B10W86196 L19M4PC0 5B10W86195 L19M4PC1 5B10W86192 L19C4PC1 5B10W86194.
Genuine-spec touchpad flex cable for Apple’s 12-inch MacBook (Model A1534, Early 2015 / Early 2016 / Mid 2017)—essential for restoring full Force Touch trackpad functionality, haptic feedback, and multi-touch gesture support. Compatible With: MacBook 12″ (Early 2015) – 1.1GHz Core M MacBook 12″ (Early 2016) – 1.1GHz/1.3GHz Core M MacBook 12″ (Mid 2017) – 1.2GHz/1.3GHz Core m3/i5/i7 All share Model Number A1534 and Model Identifier MacBook8,1 / MacBook9,1 / MacBook10,1 respectively. MacBook 12″ (Early 2015) – 1.1GHz Core M MacBook 12″ (Early 2016) – 1.1GHz/1.3GHz Core M MacBook 12″ (Mid 2017) – 1.2GHz/1.3GHz Core m3/i5/i7 All share Model Number A1534 and Model Identifier MacBook8,1 / MacBook9,1 / MacBook10,1 respectively. Part Type: Touchpad flex cable only—does not include the trackpad housing, Taptic Engine, or mounting brackets. This is the ribbon cable that connects the Force Touch trackpad to the logic board. Function: Critical for Force Touch functionality—transmits pressure-sensitive input, multi-touch gestures (e.g., pinch, swipe, Force Click), and haptic feedback signals to the Taptic Engine. OEM-Quality Construction: Precisely matches Apple’s original in length, connector pitch, shielding, and routing—ensures reliable signal integrity and compatibility with macOS. Common Use Cases: Replacing a torn, creased, or liquid-damaged flex cable Restoring unresponsive or erratic trackpad behavior Completing a trackpad replacement when the original cable is unusable Replacing a torn, creased, or liquid-damaged flex cable Restoring unresponsive or erratic trackpad behavior Completing a trackpad replacement when the original cable is unusable Installation Note: Requires full bottom case removal and delicate disconnection of the ZIF connector. The cable routes tightly under the battery—extreme care is required. Recommended for experienced or certified technicians only.
New CM03XL CM03 Laptop Battery for HP Elitebook 740 G2, 745 G2, 750 G2, 755 G2, 840 G1, 840 G2, 845 G2, 850 G1, 850 G2, 855 G2, Zbook 14 G2 About this item 6-cell, Li-ion battery, rated at 4000mAh / 44Wh and 11.1v Replacement HP 717376-001, CM03050XL-PL, E7U24UT, E7U24AA, CM03XL, CM03, 716724-421 Fits HP Elitebook 740 G2, 745 G2, 750 G2, 755 G2, 850 G2, 755 G2. HP EliteBook Folio 9480m. HP Zbook 14. HP Elitebook 850 G1, 1040 G1 Note: As this replacement battery can fit many models and part numbers, the factory can not mark all the compatible part numbers on it, please understand. If you have any problems, please contact us by message, and we will help you deal with them promptly.
WiWU Vivid Laptop Bag – Durable waterproof case with faux-fur lining and two compartments, available in both 14″ and 15.6″ sizes.Stylish, lightweight, and well-padded—perfect for daily professional or student use. Model: WiWU Vivid Laptop Handbag Material: Water-resistant polyester exterior, soft faux-fur lining interior Sizes: 14″ version: fits up to 14-inch laptops 15.6″ version: fits standard 15.6-inch laptops Sizes: 14″ version: fits up to 14-inch laptops 15.6″ version: fits standard 15.6-inch laptops Protection: Shock-resistant padded compartment, anti-scratch lining Storage: Main laptop compartment Zippered front pocket for charger, cables, mouse, or tablet Storage: Main laptop compartment Zippered front pocket for charger, cables, mouse, or tablet Carrying Options: Comfortable padded handles + optional adjustable shoulder strap Design: Lightweight and slim profile with minimalist look; available in multiple colors Weight: Approx. 365 g (14″), approx. 420 g (15.6″) Use Case: Designed for work, school, commuting, or travel
The HyperX Pulsefire Haste 2 Core Wireless is an ultra-lightweight, high-performance gaming mouse designed for speed, precision, and long-lasting comfort. Featuring dual-mode wireless connectivity and an operating weight of just 70 grams, it delivers low-latency competitive gaming powered by a single AAA battery. ✅ Full Specifications: Model: HyperX Pulsefire Haste 2 Core Wireless (White Edition / 8R2E7AA) Interface / Connection: Dual Wireless Connection Modes: High-speed 2.4GHz Wireless (via included USB-A nano receiver) Bluetooth 5.2 (Power-efficient mode for casual use and multi-device pairing) Interface / Connection: Dual Wireless Connection Modes: High-speed 2.4GHz Wireless (via included USB-A nano receiver) Bluetooth 5.2 (Power-efficient mode for casual use and multi-device pairing) Performance & Sensor: Sensor Type: HyperX Custom Core Optical Sensor Max Resolution: Up to 12,000 DPI DPI Presets: 400 / 800 / 1600 / 3200 DPI Tracking Speed: 300 IPS Acceleration: 35G Polling Rate: Up to 1,000Hz (1ms response time) Performance & Sensor: Sensor Type: HyperX Custom Core Optical Sensor Max Resolution: Up to 12,000 DPI DPI Presets: 400 / 800 / 1600 / 3200 DPI Tracking Speed: 300 IPS Acceleration: 35G Polling Rate: Up to 1,000Hz (1ms response time) Switches & Durability: Main Left/Right Switches: Tactile TTC Gold Switches Switch Lifespan: Rated for up to 20 million clicks Total Buttons: 6 programmable buttons (including 2 thumb side buttons) Switches & Durability: Main Left/Right Switches: Tactile TTC Gold Switches Switch Lifespan: Rated for up to 20 million clicks Total Buttons: 6 programmable buttons (including 2 thumb side buttons) Material & Build: Durable solid-upper shell with low-friction PTFE skates for seamless gliding across cloth mouse pads Design & Form Factor: Lightweight, symmetrical ergonomic frame suitable for various grip styles (palm, claw, fingertip) Lighting Effects: Customizable onboard LED RGB lighting Battery & Power: Battery Type: User-replaceable, 1x AAA Alkaline Battery Battery Life: Up to 100 hours (on 2.4GHz mode) or up to 200 hours (on Bluetooth mode) Battery & Power: Battery Type: User-replaceable, 1x AAA Alkaline Battery Battery Life: Up to 100 hours (on 2.4GHz mode) or up to 200 hours (on Bluetooth mode) Security & Software: Fully compatible with HyperX NGENUITY software for button remapping, macro recording, and custom RGB profile management Compatibility: PC, Xbox Series X|S, Xbox One, PlayStation 5 (PS5), PlayStation 4 (PS4), and Mac Dimensions: Approx. 124.3 x 66.8 x 38.2 mm Weight: Mouse Only: Approx. 60 grams Operating Weight (with AAA battery): Approx. 70 grams Weight: Mouse Only: Approx. 60 grams Operating Weight (with AAA battery): Approx. 70 grams
PCE 900 M8 900VA 480W Output Power: 700VA (M8 700), 900VA (M8 900) Voltage Input Range: 220-240 VAC with 102 wires (M8 700), 140-300 VAC (M8 900) Output Protection: Overload, discharge, and overcharge protection (M8 700), Fault protection (M8 900) Waveform: Simulated Sine Wave LED Indicators: Green lighting (M8 700), Green flashing (M8 900) Frequency: 50 or 60 Hz +/- 10% (auto sensing) (M8 700), 50 or 60 Hz +/- 1% (M8 900) Voltage (backup mode): 12V/9AH x 1 (M8 700), 12V/7AH x 1 (M8 900) Frequency (backup mode): 50 or 60 Hz +/- 1% (M8 700 and M8 900) Transfer time (M8 700): Typical 2 to 6 ms Backup time (M8 900): 10-20min depending on load level Net Weight: 4.3 kg (9.46 lbs) (M8 700), 4.8 kg (10.56 lbs) (M8 900) Output Receptacles: Universal sockets x 2 or German x 2 (M8 700), Universal sockets x 4 (M8 900) Audible Noise: Sounding every 10 seconds (M8 700), Sounding every second (M8 900) Dimensions: 100x278x140 (3.9″x10.8″x5.5″) (M8 700), 130x320x182 (5.07″x12.48″x7.1″) (M8 900) Compatibility: Windows 2000/XP/2003/2008/Vista/7, NOVELL, LINUX, UNIX (M8 700), Optional Interface with power management software (M8 900) Certifications: EN 50091-1-1/EN 69050 (RD), IEC 60950, TUV GC-Mark, EN 50091-2, EN 50022/B, IEC 62040-2, IEC 61000-3-2, IEC 61000-3-3, ISO 9001, ISO 14001 (M8 700 and M8 900)
Introducing the LG MyView Smart Monitor – your all-in-one display solution for work, entertainment, and everything in between. With its innovative features and user-friendly interface, this monitor redefines convenience and efficiency. First and foremost, versatility is the name of the game. Whether you’re working on spreadsheets, streaming your favorite shows, or gaming with friends, the MyView Smart Monitor adapts effortlessly to your needs. Transitioning between tasks is seamless thanks to its intuitive interface and quick response times. Say goodbye to cluttered desktops and hello to a streamlined workflow that maximizes productivity. Moreover, connectivity options abound. From wireless casting to multiple input ports, the MyView Smart Monitor ensures compatibility with a wide range of devices. Whether you’re using a laptop, tablet, or smartphone, connecting is hassle-free. In addition, ergonomic design features such as adjustable stands and eye-care technology prioritize your comfort and well-being during extended use. Say goodbye to eye strain and discomfort – the MyView Smart Monitor has your back. Furthermore, its sleek and modern design adds a touch of sophistication to any space, whether it’s your home office or entertainment center. Elevate your surroundings with a display that not only performs but also complements your aesthetic. In conclusion, the LG MyView Smart Monitor is more than just a display – it’s a versatile companion that enhances every aspect of your digital life. Experience the convenience, efficiency, and style it brings to the table, and unlock a world of possibilities today. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 Refresh Rate : 60Hz Response Rate : 5ms GTG Speaker : 5W x2
Lexar NM620 1TB SSD, M.2 2280 PCIe Gen3x4 NVMe 1.4 Internal SSD, Up to 3500MB/s Read, 3000MB/s Write, 3D NAND Flash Internal Solid State Drive for PC Enthusiasts and Gamers (LNM620X001T-RNNNG) About this item High-speed PCIe Gen3x4 interface: Lexar 1TB SSD up to 3500MB/s read and 3000MB/s write – NVMe 1.4 is supported. Lexar Internal SSD M.2 2280 form factor with 3D NAND Lexar Solid state drive maintains 6x the speed of a SATA-based SSD. Lexar SSD is ideal for PC enthusiasts and gamers. Lexar Internal solid state drive is shock and vibration-resistant without moving parts.
The Samsung 27″ Smart Monitor M5 M50D (LS27DM501EMXUE) is an all-in-one display designed for work and entertainment. It combines a Full HD monitor with built-in smart TV features. Additionally, it allows direct streaming without a PC using integrated apps. Moreover, it features a 27-inch VA panel with Full HD resolution and a 60Hz refresh rate. It supports HDR10 and delivers wide viewing angles with consistent image quality. Furthermore, the monitor includes built-in speakers, Wi-Fi, and Bluetooth connectivity. It runs on Samsung Tizen OS, enabling access to apps, Samsung TV Plus, and Gaming Hub. It also supports multiple ports, including HDMI and USB-A, for easy device connection. Features like Multi Control and Workspace improve productivity across devices. Overall, the Samsung 27″ Smart Monitor M5 M50D delivers versatile use with streaming, productivity tools, and display performance in one device. Specifications: 27-inch Full HD (1920×1080) VA display 60Hz refresh rate with 4ms response time Built-in smart TV apps with Tizen OS Integrated speakers with HDMI and USB ports Wi-Fi and Bluetooth connectivity support
Ultra Thin Arabic Keyboard Cover Skin for MacBook Pro 13 Inch 2022 2021 2020 (Apple M2 Chip/Apple M1 Chip A2338/A2289/A2251) and 2019 MacBook Pro 16 Inch (Model A2141) Protector (Black) Ultra Thin Arabic Keyboard Cover Skin for MacBook Pro 13 Inch 2022 2021 2020 (Apple M2 Chip/Apple M1 Chip A2338/A2289/A2251) and 2019 MacBook Pro 16 Inch (Model A2141) Protector (Black) About this item [√] COMPATIBLE WITH: (1) 2022 MacBook Pro 13-Inch with Apple M2 processor, (2) MacBook Pro 13-Inch 2021 2020 with Apple M1 processor (model: A2338), (3) MacBook Pro 13-Inch Early 2020 released (model: A2289/A2251) and (4) 2019 MacBook Pro 16-Inch (model: A2141) [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning or disinfecting. [√] 0.26 MM/0.1 IN THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing. [√] 100% CUSTOMER SERVICE and MONEY BACK GUARANTEE: if you are not fully satisfied with the products you received, please feel free to contact us. We will provide you with a 100% customer service and money back guarantee.
HP 32f Display Firstly, if you seek a larger and more immersive visual experience without breaking the bank, the HP 32f Display is here to meet your needs. This spacious monitor offers impressive features that cater to a wide range of users. Secondly, the HP 32f Display boasts a generous 32-inch screen size, providing ample space for all your computing and entertainment needs. This larger canvas enhances your multitasking capabilities and immerses you in content. This monitor ensures that you’ll enjoy crisp and clear visuals, whether you’re working on documents or indulging in multimedia content, as it comes equipped with a Full High Definition (FHD) display. Setting up the HP 32f is a breeze. Moreover, it’s designed for user-friendliness, allowing you to quickly connect it to your PC or laptop through standard ports. Therefore, you don’t need to go through complex installation procedures. The monitor’s design is modern and sleek, making it a stylish addition to any workspace. Its compact footprint efficiently fits into your setup, enhancing the overall aesthetics. Whether you’re a professional, gamer, or content consumer, the HP 32f Display offers an affordable solution for a larger and better visual experience. It’s a cost-effective choice that doesn’t compromise on quality. Specifications: Display size (diagonal) : 31.5″ Aspect ratio : 16:9 Resolution (native) : FHD (1920 x 1080) Brightness (typical) : 300 cd/m²
