1. Wireless. The battery can be replaced.2. Three working modes: Full, Ramping, Pulse.3. Time setting: 5s 10s 15s 20s 25s 30s 35s 40s.4. Automatic memory.5. A full charge can be used for over 200 times (10 s/time).6. Constant light intensity, the solidification effect is stable even the battery powe..