Specifications:Condition: 100% Brand NewMaterial: ABS Plastic Color: As Picture ShownOperating Voltage: 1.5VBuild-in Battery: 1 * AAA LR03 AM4 1.5V 800mAh Dry BatteryBattery Life: About 8 monthsStatic Current: ≤10uAOperating Current: ≤15mATransmitting Frequency: 433MHzTransmitting Distance: ≥100m (open area distance)Door Magnet Detecting Distance: 25~35mm / 0..98~1.37inWireless Coding Format: Compatible for eV1527Operating Temperature: -10℃~40℃Humidity: ≤90%rhSize: 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.