describe It can preserve your eyes while reading, with tender soft and prevent blindness 1W power, energy-saving and energy-saving, no use to worry about power consumption USB interface, plug and play, light-weight and transportable specifications Product name: USB plug-in evening delicate Material: ABS+PP Power mode: USB Rated power: roughly 1W Rated voltage: 5V 1A Light color: warmth light/white light Size: 25 * 25 * 37mm Applicable scenarios: bedroom, bedside, desk, bathroom, travel, etc. Quantity: 1 The package includes. 1 * USB evening light Thank you on your attention, You can touch with us to get extra detail of the goods you wish extra this merchandise ,you can contact us will present you with our best price. Leave your message!