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Anonymous users2024-01-24Occupancy Alarm
After the lead of the human touch sensor alarm is hung on the metal doorknob or door lock, when someone touches the doorknob or uses the master key to steal the door lock, the sensor alarm will sound the alarm and send out a high-decibel sound alarm for about 10 seconds, so as to scare away the thief or remind the owner to pay attention to the movement of the visitor.
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Anonymous users2024-01-23There is a problem with the wiring, most likely a short circuit. 1. There are magnetic things on the body, or there are magnetic stripes or the like, so when you pass through the door, the door will ring. That door only rings when it encounters something magnetic.
2. The purchased goods have not been demagnetized. The product is pre-magnetized. If the payment has been made, the cashier will talk to you to degauss.
If the payment is not made, the alarm will go off when it receives a magnetic signal. 3. Human factors. I hope my answer can help you.
It was the clothes that I wore rubbing against each other that generated static electricity. You can consider buying an anti-static keychain, touch the anti-theft door every time you hold it, put down the electricity, and touch it again.
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In fact, the sound insulation effect of the good quality anti-theft door is good There is no such thing as a soft-pack anti-theft door I bought the high-end anti-theft door in Buyang The sound insulation is quite good Buy the kind with a sealing strip!
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