Brand Name: OSITE SKY Light Source: LED bulbs Wattage: 5W Features: Eye protection Is Batteries Included: Yes Model Number: Clip Book Light Item Type: Book Lights Power Source: Rechargeable Battery Battery Type: Lithium Metal 3 Brightness and 3 Temperature Adjustable       Soft white glow, press the button to adjust 9 modes light : 0%-100% Brightness dimmable & Light Temperature Ajustable(warm, white, amber), glare-free soft glow helps your avid reader kids enjoy reading without straining their eyes. Long press to ajust light temperature Short press to ajust light brightness   Clip on reading light Create a private reading space for your bedtime reading without disturbing others   Flexible Lighting Angle Completely flexible design, the led lens can be swivelled 90°left and right in horizontal direction, and 45°downward; The 315°flexible holder bends to any angle for your best viewing, no need constantly repositioning the light.   USB Charing Easily Charged with built-in USB, directly plug it into your laptop, power bank, adapter, car charger, or USB outlet for recharging, no additional cables needed. 200mA lithium battery, 1.5 hours charging lasts about 3-6 hours(at brightness setting). No more wasting money on batteries.   Eye protection amber glow 1800K color temperature, the upgrade amber book light blocks 99.95% blue light, will not stimulate your photoreceptors or disrupt circadian rhythm while using it in bedroom. Effectively protects your eyes from being damaged by blue light when reading.   Compact & Lightweight Mini size design, 1.37 ounce, small and lightweight, ideal for clipping on a book when nighttime reading; can be completely folded flat and slim, double as a bookmark, portable for reading on airplane, train, or backseat of car when travelling