ALL-IN-ONE BEST QUALITY SUPERIOR NAIL DRYER
With a new professionally designed UV+LED dual light source, the Shills5 Plus nail dryer applies to curing almost all nail gels! Its light is closer to white light and does not harm the eyes
and skin. This nail dryer can help you solve almost all the curing problems.

Infrared sensor 
Put the hand into the machine without pressing timing buttons and it will automatically turn on to work for 30 seconds. 

SMART SENSOR AND TIME MEMORY FUNCTION: SUN3 has a smart sensor. When you slide your hand/foot in, it comes on automatically for 120 seconds; or you can stop curing at any time by sliding the hand/foot out. Its 10/30/60/99 seconds timer lets you control the curing time with each layer. It would work corresponding to time if you use the time memory function without pressing any buttons.