Security beam detectors

Security beam detectors can be used indoor or outdoor day or night.The purpose of these are to protect someone from going past a certain point in your home,business or yard.These security beam detectors send  multiple infrared beams from one unit to another and they sense when something comes between the two sensors.The preferred way to hook these up are hardwired to ensure reliability and no batteries to change. PVC conduit can be ran underground where applicable.These sensors can be wired into an existing security alarm or wired up to a sounder to notify you when someone is in your driveway.