1, Lithium electric induction 2, 16 colors for one 3, IP68 waterproof 4,Certification: CE \ RoHS \ FCC \ EMC Detailed Product Description for led lampour product have pass the CE \ RoHS \ FCC \ EMC with the high quality and the newest design.. Great for nightclub use1,Charging Method:Lithium electric induction 2,Recharging Time: 4-5Hours 3,Working Time: 6-12Hours 4,Voltage/Power: 7.5V/1.5W 5. ...