Door alarm Door sensor delay alarm adjustable delay time
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- SKU:
- UBQP-MB2N-ESB3
- Weight:
- 0.22 KGS
Description
Product Description
Access door warning system:
Function: the door is open, 0-3m (adjustable), did not close back in situ, buzzer work tips, until the door will be in situ.
Advantages: low power consumption, low cost, safe and stable without false positives.
Scope of application: residential, office, factory, learning and other major channels.
Composition: buzzer / buzzer indicator lamp +12V power adapter + + delay relay normally open type magnetic switch (open conduction)
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