... is 10s,20s,30s or 30s,60s,90S 5,factory lamp uv 1,Model/LK-D12W2,Volt/AC100-130V 60HZ AC200-250V ... hands are easily to scald as tube have a very high temperature when they give out light. The temperature is ... to exchange tube and save cost. 5. Portable.The ordinary tube-style nail UV lamps make use of tube, it is fragile ... patent, copy is not permitted! LK-D12W led nail uv lamp Uv Lamps factory lamp uv