1) Turn on or turn off light according to ambient-light.
2) For instance road light etc

Features:

The light-control switch can turn on or turn off light according to ambient-light; ambient-temperature and humidity can't affect it. It is not only convenient but also practical, it can control the loaded lights, for instance road light etc, turn on only at night.

Automatic light control switch:
1) Operating voltage: 110V/AC, 220V/AC 
2) Power frequency: 50-60Hz 
3) Ambient light: 2-100 lux(adjustable) 
4) Rated current: 15A, 25A
The product measurement: