Weatherproof Infrared 40mts Beam Motion Detector

With this top-quality Weatherproof Infrared Beam Motion Detector sensor you can provide extra security to a home by creating an invisible fence up to 40mts long outdoors (100mts indoors) . Sold in pairs (transmitter and receiver) these sensors can be mounted anywhere inside or outside. Normally closed & normally open outputs (NC) with separate NC tamper output. The four beam, adjustable beam interruption time and automatic sensitivity adjustment of this unit minimize false alarms. The sensor will even work down to the point where 99% of the beam strength has been cut due to poor weather. Mount above pet height level and the pets can roam without setting off the alarm.