LL-UV LED-E2W LED nail curing lamp & & LED uv lamp 1,CE,QC 2,Using life:35000-50000 hours LL-UV LED-E2W LED nail curing lamp & LED uv lamp & LED uv light is ... :Yes,put hand in lamp,the light open.6,Using life:>35000hours.7,Solidification time: Using LED modeling gel,the solidification time is ... time is 90s. Using LED method of three-in-one gel, the solidification time is 60s 9,Examination form:QC.10 ...