... 60HZ, 200-250V 50HZ 4.Power: 12W, 15W 9w/12w LED Light for UV gel system of Nail art 1. Model: LL ... top gel,the solidification time is 30s.Using LED method of three-in-one gel, the solidification time is 20s.8. Authentication ... human body;2. Energy-saving,LED is a low-power devices,low power consumption machine.3. Does not produce heat, not hot ...