Product feature:
1. Convenience: The light can be turned on automatically when people come, and can be turned off automatically when people go.
2. Safety and saving energy: Avoiding to waste when people forget to turn off the light.
3. Saving cost: Save the wire from switch to the lamp and installation cost.
4. Health: People no need to touch the switch, can be avoid the infect when touch in the public place.
Applicable scope: Public automatic illumination, stair passageway, corridor, fire exit, balcony, garage, entrance garden and other place requiring automatic illumination.