Home » Products » Door Viewer » Digital Door Viewer » Motion Sensor LED Motion Sensor LED Model : MSL-100 Q'ty : Add To Inquiry Description When people outside pass by the LED motion sensor, the LED will turn on. Related Products Digital Door Viewer with Camera Model : DV-204 Digital Door Viewer Model : DV-104 Digital Door viewer with built in motion sensor Model : DV-304 Knocking sensor Model : KS-100