1,Model/LK-D12W 2,Volt/AC100-130V 60HZ AC200-250V ... is 10s,20s,30s or 30s,60s,90S 5,factory lamp uv 1,Model/LK-D12W2,Volt/AC100-130V 60HZ AC200-250V ... Lanke Electr. Factory About seven merit of led nail UV lamp Logo: BETTERTM LankeThe LED nail UV lamps of Ningbo Lanker Electr- ... device-LED as the curing light source which full up shortages of old-style nail UV lamps, details as follow: 1. Friendly ...