SN-PC302 IP44 Day-Night Light Control SensorSN PC302 can turn on or turn off the light automatically according to ambient light. Ambient temperature and humidity cannot affect it. It is not only convenient but also practical; it can control the load by working only at night. For instance, road lights, garden lights etc. Day & Night Sensors Switch on off the light as the Ambient light levels Sensor Benefits of Using Light Control Sensors Saves energy Pocket friendly Low power consumption