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 There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks! Note: Packed Safely in Retail Box. 1x LED USB Rechargeable Book Reading Light Package Included: Material: ABS+Electronic Components Size:10.5*4.6*1.3cm Light Shell Color: Green,White Battery Capacity:150mah Quantity: 1Pc Specifications: Made of high-quality materials, not easy to damage and durable. USB charging,mini and portable, reading lighting anytime, anywhere. Two color temperature to choose,built-in 150mah battery,long life span. The light is soft and does not hurt the eyes, be a beam of light on your desk.