NDNCZDHC Door Magnetic Sensor Detector Compatible with eV1527, 433MHz Contact Wireless Sensor Detector Switch for Home Garage Alarm Security

Specifications: Material: ABS Plastic  Color: As Picture Shown Operating Voltage: 1.5V Build-in Battery: 1 * AAA LR03 AM4 1.5V 800mAh Dry Battery Battery Life: About 8 months Static Current: ?10uA Operating Current: ?15mA Transmitting Frequency: 433MHz Transmitting Distance: ?100m (open area distance) Door Magnet Detecting Distance: 25~35mm / 0..98~1.37in Wireless Coding Format: Compatible for eV1527 Operating Temperature: -10?~40? Humidity: ?90%rh Size: As Picture ShownInstallation and fixing method:The product is glued and not screwed. Package Included: 1 x Set of Wireless Door Magnetic Detecting Contact Note: Can not used alone. Should work with the alarm system main unit for alarming.