1, High quality uv led 2, UV led dryer lamp 3, Easy to use and faster solidification time 4, different power uv nail ... China, Europe etc)3,Power:<10W.4,Fixed time function:Set time is 30',60',90' or 10' 20' 30'.5 ... ,Induction of automatic open:Yes,put hand in lamp,the light open.6,Using life:>55000hours.7,Solidification time ...