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433Mhz Wireless Door Sensor Contact Garage Roller Gate Shutter For GSM Alarm SALE

433Mhz Wireless Door Sensor Contact Garage Roller Gate Shutter For GSM Alarm

$13.38$14.09
  • Condition: Brand New
  • Ships from: CN
  • Seller: lovegrandpa (99.8% positive)
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About this item

Transmit Freqency: 433MHz. This rolling door sensor can not work alone. It works with most alarm system in the market. Check if your alarm system support 433mhz. When the roller shutter/rolling door is opened from the closed position, LED will turn on red light for 5 seconds; the sensor will be triggered and will send alarming signal to the main unit.

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