Magnetic contact via radio

Features Sleek, modern design with long battery life Brown color Mounting on door or window frames Extension terminals for connection to wired devices Works as a universal transmitter Allows home automation and security systems to turn on / off appliances Powerful magnet allows total side-to-side separation distance of 28mm Random monitoring signals for checking system integrity and troubleshooting Tamper protection to prevent unauthorized removal LED serves as fault indicator and test mode Low battery detection Meets CE requirement Certified according to EN 50131 Grade 2, Environmental Class Ⅱ Specs RF frequency: 868MHz Power supply: 1 3V CR123 lithium battery Battery life of up to 10 years -10 ° C ~ + 45 ° C operating temperature Relative humidity up to 85% (non-condensing) Dimensions: 31 (W) x 87 (H) x 23 mm