Specifications:Colour: white/blackLED quantity: 48 pcs x 4014 ledCenter illumination: 800luxColour temperature parameters: 2800&3400&4500&5600Light source life: 50000 hoursInput voltage: AC100-240v.working voltage: 9V/ 1.2AMaximum power: 10WControl mode: touch switchLamp holder material:Acrylonitrile Butadiene Styrene(ABS)+PC guide boardSize: 248*365*165mm (9.8*14.4*6.5in)Features:Craftsmanship design.Key function: antenna charging center position, on key, colour temperature key, brightness reduction, 2 hours time off, 1 hour time off, brightness increase.Intelligent wireless charging eye-protection lamp, wireless charging, four-level eye-protection, touch control, integrated folding, zero-loss strobe.Select high-quality LED beads: 50000 hours of service time.Multi-angle adjustment of different heights.Flexible to use: Fold-able head can rotate 145 degree up and down, you can adjust the head to a suitable degree.Wireless charger: Get rid of the tangled cable.Package includes:1 x LED Desk Lamp1 x USB cable