Wireless: the battery can be replaced Threee working modes: Full, Ramping, Pulse Time setting: 5-10-15-20-25-30-35-40 seconds Automatic memory A full charge can be used for over 200 time (10s/time) Constant light intensity, the solidification effect is stable even the battery power decreases Whit wire or wireless, even the battery runs out, it can work by connecting power supply with wire