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Description
In stock
This circuit alarms when a door or window has been left open. If the switch is left open, after a delay the alarm will go off. This is useful for air conditioned rooms, garage doors or fridge doors where the door should remain closed at all times. A magnetic switch is included in the kit.
Product Specifications
|
Power supply |
9-12VDC |
|
Consumption |
1.9uA (standby) @ 9VDC, 60mA (working) @ 9VDC |
|
PCB dimensions |
2.81" x 1.84" (approx. 72mm x 47mm) |
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Duration of delay time before alarm |
10-60 seconds |
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