Koostone Wireless Ring Contact Sensor - Door & Window Alarm, 2 Pairs (Batteries Included)

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- 4 Modes-Part A - Power on the door alarm, (1) Press the SET button once, the host emits one "Di" sound, it is Intruder Alarm Mode, which means when the door window fridge opens, the host will alarm for 1 minute until the SET Power Off is pressed to stop. (2) Press the SET button once again, the host emits two "Di" sounds, it is Door Open Reminder Mode, which means the door chime will make a "Ding Dong" when door opens, then the "Ding Dong" will stop nomatter the door is opening or closed.
- 4 Modes-Part B - (3) Press the SET button once again, the host emits there "Di" sounds, it is Open Alarm Mode, which means when the door window fridge opens, The host will keep alarm until the door is closed or the SET Power Off is pressed to stop.
- 4 Modes-Part C - (4) Press the SET button once again, the host emits four "Di" sounds, it is Open Reminder Mode, which means when the door window fridge opens, the host will keep making a "Di Di" ( volume from low to high, 10 levels is one cycle ) until the door window fridge is closed or the SET Power Off is pressed to stop. NOTE Whatever modes, you can short press the SET button or turn off the power switch to stop the sound at once if you want to.
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