Photocell dusk to dawn sensors activate lights at dusk and off at dawn.
Pir motion sensor switch for lights with dusk to dawn function.
When the motion sensor detects the body heat of someone moving in the room it initiates a pre programmed action like turning off the lights.
Sensors are also available with built in timers.
Passive infrared pir sensors and microwave motion sensors activate led lights when motion is detected.
Outdoors dusk to dawn wall lights with pir provide fantastic lighting throughout the night without needing to worry yourself of settings.
You no more to need to concern yourself with changing off or on the light as the lighting sensor probe is going to perform for the appropriate security situations at night.