Touch sensitive sensor on the lamp head (On/Off, dimming function),39 energy-saving LEDs,Colour temperature: 3000 K,Dimmable, on and off,illuminance at 30 cm distance: 1200 lux,Light output: 5 W,Power of the wireless charging unit: 10 W,USB charging socket: 5 V, 1.5 A,Total power consumption: 23.5 W,Material: Aluminium,12 V, 2 A power supply unit included,