The nail dryer has a rated maximum power of 168 watts, which is 85% faster than other nail lamps. It has simple work and good effects, suitable for hard gel polishing and high efficiency Dry nails.This nail lights have smart sensors for on/off (no switch). Place your hand in the nail lamp and it will automatically light up. The built-in Led digital time display shows the nail drying time, and has a time memory function, which can be set to a low heat mode of 10 seconds, 30 seconds, 60 seconds or 99 seconds.