["Description:\nbrand new and high quality\nFeature:\nMade of high-quality material, durable, firm and stable to use.\nIt is used to detect doors, for windows, drawers cabinets and other illegal open or move.\nThe magnetic detector will be triggered when magnet and transmitter are separated, and then the sensor will send the RF signal to the alarm host. The host will response to you.\nWireless door magnetic detector is easy and simple to install and remove.\nSuitable for home, school, factory, community, shops, stores, villa and so on.\nInstallation: the detector and magnet should be up and down alignment, and the distance between them is not greater than 1cm.\n\nSpecifications:\nItem Type: Door Sensor\nMaterial: ABS\nSize: 70x40x20mm/2.7x1.5x0.7in\nColor: White\nWorking voltage: DC3V (button cell)\nQuiescent current: less than 10uA\nWorking current: less than and equal to 15mA\nUndervoltage detection point: 7.5 minus or plus 0.5V\nTransmission frequency: 433MHZ\nfor Launch distance: equal to and greater than 80 meters (open distance)\nDoor magnetic detection distance: 25-35mm\nWireless encoding format: 1527\nWorking temperature: -10-40℃/14-104℉\nQuantity: 1PC\n\nInstallation of door/window magnetic sensor:\nLoad batteries in part A of the wireless door/window magnets and fix the same on doors/window frames to be monitored, and part B on the doors/for windows, as close to each other as possible. (We recommend fix parts A and B with screws. The screw holes of part A are located in the mounting board, which should be punched using hard objects). \n\nNote:\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x Door Sensor"]