Usage Tips:Dimmable LED Round Ring Table Lamp for Bedroom, Living Room, Restaurant, and Hotel in EuropeUSB switch line, connected to the charger, 3 colors of light, cold light, warm light, With built-in lithium battery, it can be and used,Power: 5wVoltage: 5v (using DC voltage)Light source type: LEDPower supply type: USB poweredNote: Button dimming: Press and hold the switch key. The brightness of the light can be adjusted.Colour:WhiteMaterial:Aluminum AlloyPackage Contents:1 x touchable night light1 x USB charging cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.