... ,20s,30s.5,Induction of automatic open Yes,put hand in lamp,the light open.6,Using life/35000hours.7,Solidification timeUsing ... gel,the solidification time is 30s. Using LED method of three-in-one gel, the solidification time is 20s.8,AuthenticationCE.9 ... Lanke Electr. Factory About seven merit of led nail UV lamp Logo: BETTERTM LankeThe LED nail UV lamps of Ningbo Lanker Electr- Factory ...