Wireless, Three working modes:- Full, Ramping, Pulse. Time setting:- 5s, 10s, 15s, 20s, 25s, 30s, 35s, 40s. A full charge can be used for over 400 times. (10s/time), Constant light intensity, the solidification effect is not affected by the consumption of remaining power. With wire or wireless. It can run directly on commercial power supply if the battery runs out.