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How to use:
1. (1)Tear off the back sticker of the product, and stick the main unit and the magnetic strip on the door frame or door panel respectively, with the arrows on the main unit and the magnetic strip facing horizontally.
(2)Turn on the side switch of the main unit, when the door is pushed open, the magnetic strip will leave the main unit and a 125dB alarm will sound. Close the door and it will stop.
3. With a low voltage indicator light, when the power of the alarm is too low, the indicator light flashes red, and please replace the battery in time.
Package includes: (Optional: 2pcs set, 4pcs set, 6pcs set)
2 x Alarm host(if you choose 6PCS Set, you will get 6 pcs),
2 x magnetic strip alarm device(if you choose 6PCS Set, you will get 6 pcs),
