* ♚【Home Security Door Window Alarm Magnetic Sensor】When the sliding door or window is opening, the sensor will emit 120dB alarm sound to remind you.
* ♚【Instant Alarm Reminder】The door or window alarm will be triggered and alarm immediately when someone opens the door or window( the minimum trigger distance is 1 cm/0.39IN). If you want to stop the alarm, you can manually turn off the sensor or close the door or window. Or it will stop automatically after 30 seconds of the sensor alarm.
* ♚【Wide Range of Applications】Not only can it be used to protect your family's safety, it also can be used to remind the forgetful elderly that the doors and windows are not closed, and can even be used to prevent children from leaving the house without inform.
* ♚【Easy to Install】Door and window alarm sensor includes double-sided tape. No wiring or screws needed, just simply tear the tape and paste it. It will be a perfect choice for your family, rv door,office ,apartment,garage .etc.
* ♚【Low Battery Reminder】The alarm sensor is powered by 3*LR44 batteries (included), and it can standby for 12 months. When the battery is low, the low battery indicator will remind you to replace the battery.