... ,20s,30s or 30s,60s,90S 5,factory lamp uv 1,Model/LK-D12W2,Volt/AC100-130V 60HZ AC200- ... 5,Induction of automatic open Yes,put hand in lamp,the light open.6,Using life/35000hours.7,Solidification ... when it is broken. However, the LED nail UV lamp makes use of LED which is semiconductor luminescent device. ... The temperature is at 50°C-70°C in general, some even go beyond 80°C, once someone touch the tube, ...