Wireless Door Beam Sensor

Entry door window alarm with chime.

Wireless door beam sensor.

Ideal for use in windows and doors around home including garages cabinets sheds attics side doors freezers etc. Wireless receivers transmitters accessories. The beam is reflected back to the receiver to complete the circuit. Invisible beam entry alert units a door entry alarm having an invisible beam is a narrowly focused infrared beam between two sensor devices one producing the beam and one reflecting or receiving the unbroken infra red beam.

Pages with related products. More product details close. More buying choices 30 75 4 used new offers liftmaster 41a4373a garage door openers safety sensors. In stock on september 27 2020.

Free shipping by amazon. 4 1 out of 5 stars 220. When a person walks through the beam the circuit is interrupted and this causes the alarm to sound an audible warning. Htzsafe solar wireless outdoor photoelectric 3 beam sensor waterproof ip66 wireless transmission range up to 1 2 mile infrared detection range up to 300 feet 4 7 out of 5 stars 17 99 99 99.

Sensors touchless sensors loop detector etl ul 325 reflective beams twin photobeams quad photobeams single photobeams flush mount photobeams curtain sensors barrier sensors ir proximity sensor entry alert systems beam sensor accessories microwave rte sensor water. The entry alert or chime occurs when someone breaks the invisible beam. Door window sensor alerts the wp 100 wireless home protection system when a door or window is opened. Door chime wireless business door motion sensor detector smart visitor doorbell home security driveway alarm with 1 plug in receiver and 1 pir detector weatherproof white 3 8 out of 5 stars 248 22 99 22.

The system consists of a send receive unit which transmits an ir beam across the doorway onto a prismatic reflector mounted on the opposite side. Digi code universal sensors cr2149 universal garage door opener safety beam sensor.