This sensor is in dormant state when in lighting environment, for example in daytime.
Can be controlled by any sound and it will working In the dark environment, for example in night.
If the sensor feel sound, the controlled lamp will be light about 45s.
Fine workmanship and stable performance.
Automatic control, save energy.
High sensitivity, practicability.
Durable in use.
Used in corridor, bathroom, warehouse, stair etc.
