Description:These wireless door/window magnetic sensors are used to protect the opening of both doors and windows. If a burglar opens the protected door or window, a magnetic switch inside the sensor will be triggered, which sets off the security system. Nothing is more important than life. You are deserved this.Features:Magnetic sensor alarm alerts, when a window or door is opened, providing a layer of security.It will work with most standard security system which is using 433MHz receiver.Built-in omnidirectional antenna, accurate, high-performance and low power consumption.Easily mounted by adhesive stickers, no other tools are needed, easy and quick installation.Ideal warning for doors, windows, drawers, counter, hotel rooms, garages, and more!Specification:Condition: 100% Brand NewMaterial: PlasticColor: WhiteBattery: 1 * 12V/23A battery (built-in)Working Voltage: 12V 23AWorking Current: <15mAQuiescent Current: <5mAOperating Frequency: 433MHZFrequency Deviation: ±0.2MHzTransmitting Power: >15mwTransmitting Range: >100m(open field)Transmitting Time: 1.5-3sMagnetic Control Effective Distance: -15mm/-30mmPackage Weight: Approx. 46gPackage Included:1 X Window Magnet Sensor1 X Adhesive Sticker