This alarm is door window open alarm.
Installation distance between host and magnet bar should be less than 1 cm(0.39 inch)
If door/window is opened, host and magnet bar separates, alarm will be triggered once the distance is excess 1 cm(0.39 inch)
Installation Instruction
1) Attach double-sided tape on back of alarm and magnetic bar, then stick them on 2 sides of seam of door or window separately.
2) Make sure the inverted-V line of 2 parts are aligned, make sure distance between them should be less than 0.39in (1cm).
4 Working Modes:
1) General Alarm: Alarm goes off if door is opened, alarm sound will stop if door is closed. How to set: Toggle switch up. Prompt sound is “Di-Di”
2) Constant Alarm: Constant alarm even door closed. How to set: Toggle switch up, down, up. Prompt sound is “Di……”
3) Closing Door Alert: Sound “Di..Di..Di..” when door is opened, it will stop when door is opened. How to set: Toggle switch up, down, up, down, up. Prompt sound is “Di-Di-Di”
4) Doorbell: Sound “DingDong” if door opens. How to set: Toggle switch up, down, up, down, up, down, up. Prompt sound is “DingDong”
Product Parameters:
Alarm Dimensions: 57x30x17 mm(2.2×1.2×0.7 inch)
Magnetic Bar Dimensions: 35x10x10 mm(1.4×0.4×0.4 inch)
Power supply for alarm: 3 x LR44 batteries(Included)
What You Will Get: 2/4/10 Pack of Alarms