The driveway alarm sensor/transmitter is a beam, motion sensor that is compatible with the ERA line of products from Safeguard Supply. There are 3 chime/receivers that can be used with this driveway sensor – the ERA-DCRX (Desktop or wall mount), the ERA-RXPG (direct plug in with a flashing strobe light) and the ERA-VPRX (portable chime and vibration). This is a best-in-class, outdoor-rated driveway sensor and transmitter with up to a 4,000-foot range. The length of the sensor beam is adjustable to 25 ft., 50 ft. or 100 feet.
