Features:1.Door and window alarm helps deter intruder/thieves effectively byloud alarm, also can be door open chime help notify you if children/petor others are coming/ going2.triggered door alarm sensor suitable for Doors, Windows, Sliding Door/ Window, Freezers and Refrigerators3.General Alarm, Constant Alarm,  Doorbell Multi-Function, you can set the appropriate mode according to your needDescription:Simple peel and stick installation & Low consumption design.Outstanding design: The magnetic window sensor is made of high-quality abs material, which is durable and has a long service life.Motion detection alarm: The magnetic door alarm is equipped with a magnet, which can be applied to the front door or back door of any home.Specifications:Material: Plastic & Electronic PartsColor: WhiteVolume: 90dbSize: 95 * 32 *20mmNet weight: about 35gPackage includes:1x Door Window Wireless Burglar Alarm1x Magnetic SensorNote:Place the cover in place.Has a convenient On / Off switch, so you can set the alarm to Off when you do not want to use it.