Intelligent Desk Lamp Student Eye Protection Led $ 8.42 Product information: Color: Rechargeable [18560 batteries/dual-purpose charging and plug-in/dimming and discoloration], plug-in [no battery/dual-purpose charging and plug-in/dimming and discoloration], plug-in [no battery/dual-purpose charging and plug-in/non-dimmable color]] Power supply mode: Built-in lithium battery Voltage:36V Switch Mode: touch type Additional functions; Night light, study light Shade material: Plastic Packing list: Table lamp * 1 Product Image: