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5Pcs DIY Infrared Laser Aiming Anti-theft Burglar Alarm Module Kit

$43.29 AUD

In stock

Estimated delivery between Sep 26, 2019 - Oct 3, 2019
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Note: This is a DIY kit, you need to assemble it, easy to install, not supply instructions.

Working principle:

 
When no light hits the photosensitive resistor, the transistor turns on and the buzzer gets the power to start tweeting. When there is light on the photosensitive resistor, the transistor is turned off, the buzzer is powered off, stop tweet. Transistor used here as an electronic switch.
 
Feature:
 
Laser: 5mw
Working voltage 3V
 
Package includes:
 
5 x DIY Infrared Laser Kit


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5Pcs DIY Infrared Laser Aiming Anti-theft Burglar Alarm Module Kit 21


5Pcs DIY Infrared Laser Aiming Anti-theft Burglar Alarm Module Kit 22

5Pcs DIY Infrared Laser Aiming Anti-theft Burglar Alarm Module Kit 23

5Pcs DIY Infrared Laser Aiming Anti-theft Burglar Alarm Module Kit 24

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