Features: 2 CHARGING MODES: Can be charged by solar energy and AC power source. Flexible to charge in different weather. ORDINARY BULB: Connect the lamp to AC circuit, have the switch pushed to side AC and the lamp can be used as an ordinary bulb. EMERGENCY MODE: Connect the lamp to AC circuit, have the switch pushed to side DC and the lamp will keep working when the AC circuit is broken. MEMORY FUNCTION: In emergency mode, the lamp will keep the lighting state as the AC circuit wasn't broken, no need to dimming again. MOVABLE: The lamp can be taken anywhere as an independent movable lighting system with build-in rechargeable battery. DIMMABLE: Providing 8 levels of brightness, can meet different illumination requirements. REMOTE CONTROL: Conveniently operate via remote controller within 5m.