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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
8KHz (8bit) / 800KHz (4bit)/ (customizable)
Easy Installation: Four mounting holes with a diameter of 2
Operating Temperature Range: -30°C to 70°C
1pcs Normally Closed Vibration Sensor Alarm Module
Infrared Barrier Sensor Module (Obstacle Avoidance) alarm clock 8KHz (8bit) / 800KHz (4bit)/The sensor module light is adaptable to the environment, it has a pair of infrared transmitting and receiving tube, tube infrared emit a certain frequency, when detecting direction meet with obstacles (reflecting surface), reflected infrared receiving tube, after the comparator circuit processing, green indicator will light up, at the same time signal output interface to output digital signal (a low level signal), can be through the potentiometer knob
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