Infrared Relay RF Kit Sensor Beams Linear Garage Door Opener transmitter a2
This Item is amazing it can replace a broken garage door sensor, or use it in your inventions. It can work NC or NO by moving a little jumper. This one comes with everything you see in the pictures.
Distance: Indoor 20m, Outdoor 10m
12V DC
49.2 x 76 x 21.6mm
certificate: CE/ROHS
relay - YouTube
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