Specification AlertType : Motion Only Brand : Semme BulletPoint1 : 【Magnetic Switch】: Magnets are usually close to each other, which is normal. Close short circuit = create a for the current. The switch and magnet are separated, and the switch is open, home Security Alarm make House more safety. BulletPoint2 : 【Switch Alarm】: The magnets are close together and the switch is off. Convenient for you to detect the status of your doors, , cabinets, drawers or anywhere you want to notified when it is opened or closed. BulletPoint3 : 【Easy Installation】: No external power supply is needed, and the GND and N.C ports of wired or alarm control panel are directly connected. Long distance and strong network . BulletPoint4 : 【Door Window Sensor】: You don't have to worry about your baby going out of house without notice, will easily know when your aged parents leave or arrive home. BulletPoint5 : 【Note】: Not suitable for iron doors, it will reduce the magnetism of the sensor. CompatibleDevices : Home Security System CompatibleDevices1 : Smartphone CompatibleDevices2 : Personal Computer ConnectivityProtocol : Wi-Fi ConnectivityTechnology : Wired ConnectorType : USB Type A ControllerType : Android ControllerType1 : Control4 ControllerType2 : NO ControlMethod : application FocusType : Auto Focus IncludedComponents : No IncludedComponents1 : One monitor IncludedComponents2 : One doorbell IncludedComponents3 : One Camera IndoorOutdoorUsage1 : outdoor IndoorOutdoorUsage2 : indoor InstallationType : Screw-In InternationalProtectionRating : IP65 ItemName : Wired Home Alarm Door Sensor, Wired Security Gate Window Contact Sensor Alarm, 10pcs Magnetic Reed Switch Alarm Magnetic Door Sensor for Home Security and Burglar Alarm Systems ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : home-security-systems ItemTypeName : Home Security Systems Manufacturer : Semme Material : Material MaximumRange : 1500 meters ModelName : Semmbb31Feg2QO ModelNumber : Semmbb31Feg2QO MountingType : Wall Mount NumberOfItems : 1 PartNumber : Semmbb31Feg2QO PowerSourceType : Corded Electric ProductDescription : Specifications: Working Distance: 15mm + 5mm Switching Pressure: 100VDC Load current: 300 mA Life: 1 million times Switch Output: NC (Normally Closed) Package Weight: 91g/3.2oz