Camera 32 99 32.
Infrared beam sensor kit.
Infrared security beam kit uk.
Door minder infrared beam sensor kit ck1620.
3 9 out of 5 stars 22.
This door minder infrared beam sensor kit uses an infrared beam to monitor door passage ways or any other area.
Suitable for detecting customers entering a shop cars coming up a driveway etc.
Yohii dual alarm beam sensor indoor 300m outdoor 100m infrared detector.
Dakota alert bba 4000 solar powered break beam alarm kit bbt 4000 infrared wireless transmitter and dcr 4000 driveway alarm receiver up to 1 mile operating range 4 1 out of 5 stars 11 299 99 299.
The genie safe t beam system is designed to ensure maximum safety for your garage door opener operation.
Electronics 26 99 26.
Laser security system protect your home like a top secret alarm supplies ltd ir break beam sensor 3mm leds id 2167 1 95 adafruit cing travel portable mini pir infrared motion sensor detector alarm 120db wireless home security systems anti theft fire intruder alarm systems archives cctv security.
2168 infrared ir break beam sensors are a simple way to detect motion.
Us 12 77 us 19 16 33 off 3 sets diy pyroelectric infrared sensor kits anti theft circuit electronic technology training sets 1 review cod us 37 99 us 52 99 28 off wired active infrared alarm intrusion detector dual beam sensor 100m outdoor perimeter barrier fence for gsm alarm system 10 reviews cod.
Waterproof triple beam alarm photoelectric infrared led detector security system home security alarm infrared detector sensor abe 100 4 6 out of 5 stars 3 55 99 55.
This replacement garage door safety sensor kit uses an invisible infrared beam across the opening of the door the system detects any object passing through the led beam of light and automatically reverses the closing garage door.
When something passes between the two and its not transparent.
Bafx products infrared ir remote control extender or ir repeater kit control 1 to 8 devices expandable to 12 4 6 out of 5 stars 3 120.
They work by having an emitter side that sends out a beam of human invisible ir light then a receiver across the way which is sensitive to that same light.
When the beam is broken a relay is tripped which can be used to sound a bell or alarm.