Laser Beam Door Sensor

This high tech device creates an invisible infrared beam up to 60 feet long and sounds a loud alarm or pleasant chime when the beam is crossed.

Laser beam door sensor.

4 0 out of 5 stars 645. Yohii dual alarm beam sensor indoor 300m outdoor 100m infrared detector. Detect the presence or absence of an object moving at high speeds with a light beam. Get it as soon as thu oct 8.

Light beam safety barrier switches light beams travel up to 32 ft. In general garage door sensors block the door from closing if there is an object nearby. Between the transmitter and receiver. These switches have a longer sensing distance than proximity and ultrasonic switches.

Seco larm enforcer door entry alert speaker chime. When a person walks through the beam the circuit is interrupted and this causes the alarm to sound an audible warning. Seco larm enforcer wireless door entry alert with chime open box see931cs22rfcq ob. This precaution ensures that the door doesn t close when your car is in the doorway.

Sensor path make sure nothing is obstructing the sensor beam. As long as the beam isn t interrupted the door will open or close normally. Kerui upgraded home security system indoor outdoor weather proof siren window door sensors motion sensor alarm with remote control more diy wireless house hotel garage shop burglar door alarm system. The sensors are normally about 4 inches above the ground.

3 9 out of 5 stars 22. Description bea s lzr widescan is a laser based time of flight sensor used for motion safety and presence detection in a variety of industrial door applications. Seco larm enforcer door entry alert with chime. Home office shop security alarm system kit wireless loud indoor outdoor weatherproof siren horn with remote control and door contact sensor motion sensor up to 115db.

The same mechanism kicks in when other objects are placed near the door too. This system allows them to detect obstructions like your car or a kid on a bike. The beam is reflected back to the receiver to complete the circuit. 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.

Laser beam alarm system. Laser beam is activated by the chamberlain protector system safety sensors as car enters garage. Seco larm enforcer reflective beam sensor with square reflector 35 see931s35rrq. This all in one solution offers the benefits of activation and safety while reducing installation time.

Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side.