Wsdcam 4-in-1 Door and Window Alarm

Wsdcam Door and Window Alarm Kit will be triggered immediately once you separated two parts (alarm sensor and magnetic part). The alarm come with 4 in 1 function -- General Alarm, Constant Alarm, Closing-door Alert, and Doorbell. 110 db loud alarm helps deter intruder and possibly notifies neighbors/homeowner, also helps notify you if visitors/children/pet or others are coming/going when you are at home. Perfect for Home, Office, Dorm room...Easy peel and stick installation, suitable for different door & window typesEasy Installation:Clean the mounting surface.The double-sided adhesive tape on the bottom and then alarm is attached to the clean positionDouble-sided stickers magnets sensor next door or door frame. Note:1. Ensure close the alarm and magnetic sensor, the installation distance should not exceed 0.39inch.2. The 2 parts need be aligned by their alignment arrow.Doorbell ModeWhen you set doorbell mode, it sounds "dingdong" instead of siren sound when door opens.Set the mode according to your needThere are 4 modes --- General Alarm, Constant Alarm, Closing-door Aler and Doorbell Mode.Low Battery WarningWhen in low battery, it will sound "Du-Du-Du-Du" to remind you change the new battery. A battery can standby for 1 year. How to transform 4 modes?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 "Dingdong" when doors/windows are open.Note: Every time switch on & off should within 3s after the beep of the last switch on & off. Otherwise, it start anew.Package Including:1 x Window alarms1 x LR44 cell batteriesDouble-sided adhesive tapes