:professional nail LED lamp,apply to solidify nail UV gel. optical power:3.5W input voltage:90-250v,3.5W DESCRIPTION:1-color:white,sliver ... ,purple,pink,black2-input voltage:90-250v,3.5W3- Imported bubles(from Taiwan and America),lowest optical attenuation ... 't open it when at fault,pls go to professional 3.5W LED gel uv lamp