KERUI D025 433MHz Wireless Magnetic Door Window Alarm Sensor Detector Contact System

Description :This sensor can't be used independently.It needs to work with the panel which is the same as this sensor's parametter. And it is not universal for all the panel.Features : Compound multi-layer design.Built-in omnidirectional antenna.Superior circuit design.High-performance and low power consumption.Superior ABS material. Built-in antenna.It will send the alarm signal to control host once the door or window is opened. Specification :Static Current: ≤20 mATransmission Current: ≤15mATransmission Frequency: 433MHZ ± 0.5MHZTransmission Distance: About 30m with one barrierInternal Distance: 15mmWorking Condition Temperature: -10℃ to +40℃Humidity: ≤ 90% rhBattery Life Time: About 8 months (Battery included.)Transmitters Size: 70 x 36 x 15 mmMagnet Size: 64 x 13 x 13 mm Package includeds :1 x KERUI D025 Door Sensor1 x English User Manual Details pictures :