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 mA Transmission Current: 15mA Transmission Frequency: 433MHZ 0.5MHZ Transmission Distance: About 30m with one barrier Internal Distance: 15mm Working Condition Temperature: -10 to +40 Humidity: 90% rh Battery Life Time: About 8 months (Battery included.) Transmitters Size: 70 x 36 x 15 mm Magnet Size: 64 x 13 x 13 mm Package includeds : 1 x KERUI D025 Door Sensor 1 x English User Manual Details pictures :