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3Pcs DIY Infrared Laser Aiming Anti-theft Burglar Alarm Module Kit
Product Code: 5430882
Availability: In Stock
Availability: In Stock
$24.99
Ex Tax: $24.99
Ex Tax: $24.99
Product Description
Note: This is a DIY kit, you need to assemble it, easy to install, not supply instructions.
Working principle:
When no light hits the photosencatalog/productive resistor, the transistor turns on and the buzzer gets the power to start tweeting. When there is light on the photosencatalog/productive 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:
3 x DIY Infrared Laser Kit
