Part Number:‎A15 Product dimensions:‎10.4 x 3.4 x 1.5 cm; 41 Grams Batteries:‎1 Lithium Metal batteries required. (included) Assembled Height:‎1.5 centimetres Assembled Length:‎10.4 centimetres Assembled Width:‎3.4 centimetres Base Diameter:‎0.63 Inches Number of Items:‎1 Style:‎Modern Colour:‎White Shape:‎Straight Material:‎Acrylonitrile Butadiene Styrene Finish types:‎Finished Number of Lights:‎5 Included Components:‎Battery, Power Cable Maximum Compatible Wattage:‎0.6 Watts Voltage:‎5 Volts (DC) Specific Uses:‎Gift, Reading Special Features:‎Dimmable, Lightweight, Memory Function, Portable, Rechargeable Shade Material:‎Plastic Light Direction:‎Adjustable Power Source:‎Battery Powered Switch Style:‎Push Button Switch Installation Type:‎clip on Batteries Included?:‎Yes Batteries Required?:‎Yes Type of Bulb:‎LED EU Energy Efficiency Label:‎A Luminous Flux:‎28 Lumen Bulb Features:‎Dimmable Colour Temperature:‎1800 Kelvin Item Weight:‎41 g [5 Brightness Adjustable] This book light has 5 brightness levels available, you can choose the most suitable level for your eyes. You can set your favorite brightness as default with the book light for reading in bed at night. Plus, there are 5 LED beads scientifically installed so the light can be evenly distributed on reading pages. It is bright enough to illuminate the full pages, while it is dim enough not to disturb others nearby. No flickering, nor harsh light. [3 Color Modes & Eye Caring] Unlike other reading lights for books in bed, our tiny book reading light has 3 different reading modes: amber mode(1800K), breeze mode(3400K), and precise mode(6000K). This book lamp is designed to protect your eyes and reduce eye strain — the amber mode filters 99.9% blue light for gentle illumination.The breeze mode provides you with a cozy and comfortable reading world for novel reading & poem reading. The precise mode highlights the area clearly and so you can concentrate on every detail of your book. [USB Rechargeable Lamp & Long Lasting] Standard USB rechargeable and compatible with any USB ports on your computer, adapter or USB outlet. This rechargeable book light has a built-in 500mAh battery providing you with 10–80 reading hours (depending on your brightness setting). So you can enjoy your reading for 20 days to 3 months if you read 30 minutes per day, based on your light setting. Besides, there are 4 power indicators to show the power leftover. [Flexible & Portable Design] The reading lamp can open maximally 150°; the light head can be turned left, right and downside with angles of 90°, 90°, and 45° respectively. It is flexible enough for all book sizes. You can adjust the angles freely to get comfortable lighting. This book lamp is only 1.41oz(40g), much lighter than an egg. Its lightweight and small design make it have air portability or clip on books without much effort. Perfect tiny book light for traveling. [Product Guarantee] 1.Original patent applied. 2.FCC, CE, RoHS, PSE, C-TICK approved. 3.Worry-free 24-month warranty and friendly customer service. 4.What you will get: 1*Book Light 1* Book Mark 1*User Manual. 5.NOTE: DO NOT turn the head of the light hardly to left or right beyond 90°, as it contains an electricity cord inside. [5 Brightness Adjustable] This book light has 5 brightness levels available, you can choose the most suitable level for your eyes. You can set your favorite brightness as default with the book light for reading in bed at night. Plus, there are 5 LED beads scientifically installed so the light can be evenly distributed on reading pages. It is bright enough to illuminate the full pages, while it is dim enough not to disturb others nearby. No flickering, nor harsh light. [3 Color Modes & Eye Caring] Unlike other reading lights for books in bed, our tiny book reading light has 3 different reading modes: amber mode(1800K), breeze mode(3400K), and precise mode(6000K). This book lamp is designed to protect your eyes and reduce eye strain — the amber mode filters 99.9% blue light for gentle illumination.The breeze mode provides you with a cozy and comfortable reading world for novel reading & poem reading. The precise mode highlights the area clearly and so you can concentrate on every detail of your book. [USB Rechargeable Lamp & Long Lasting] Standard USB rechargeable and compatible with any USB ports on your computer, adapter or USB outlet. This rechargeable book light has a built-in 500mAh battery providing you with 10–80 reading hours (depending on your brightness setting). So you can enjoy your reading for 20 days to 3 months if you read 30 minutes per day, based on your light setting. Besides, there are 4 power indicators to show the power leftover. [Flexible & Portable Design] The reading lamp can open maximally 150°; the light head can be