Color:6 Pack Home Security Window/Door Alarm Kit (6-Pack) Electrical SpecificationBattery :3 X AG13 or LR44 button cellsBattery Life: about 1 year, Alarm:110dbWorking Environment Humidity :<80%POWERFUL 4 MODESFirst of all, slide the ON/OFF switch to arm/disarm the device.-On & off the switch 1 time, it will be in Alarm mode. It alarms when doors/windows are open; Stops when they are closed.-On & off the switch 2 times, it will be in Constant Alarm mode. It alarms at least 10s when triggered.-On & off the switch 3 times, it will be in Closing-door Hint mode. It sounds "Di--Di-Di" when doors/windows are open; Stops when they are closed.-On & off the switch 4 times, it will be in Doorbell mode. It sounds "Ding-dong" when doors/windows are open.Note: 1. Alarm mode is opened by the first time of switch on.2. Every time switch ON & OFF should within 3s after the beep of the last switch ON & OFF.Or it possible start anew.3 In constant alarm,alarm rings at least 10s when triggered.4 When the alarm battery runs low, every time you turn on the power ,the alarmhost will sound “DU...”for about half second. When the alarm works in low battery,it will give out“DU...DU” every half an hour.
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