The effortlessly stylish and practical Nero LED desk lamp is available in a refined leather finish. Featuring a 3 stage dimming function, the Nero is colour changing and features a seamless touch button on the base for ultimate sophistication. Lamp operation Instructions: Use the ON/OFF button on the base of the portable lamp for on/off, dimming and colour shift function. Tap the button once and the lamp will turn on at low brightness.Tap the button a second time and the lamp will be at medium brightness.Tap the button a third time and the lamp will be at maximum brightness. By gently pressing and holding down the button, your lamp you change the colour temperature.This lamp has 3-step colour shift function, 3000K – 4200K – 5200K