Sensor is wireless vibration sensor, high sensitivity, with a slight vibration the sensor will send alarm signals to the host, and the host will alarm immediately if received the electrical wave
Alarm accessory, supports the use of the host.
Specifications
Power requirements: 12V-8.4V DC (A23 12V DC battery inside)
Current: ≤20uA
Transmission current: ≤15mA
Transmit frequency: 433/315 ±0.2MHz
Transmit duration: ≤1s
Transmit distance from host: ≥80m (no obstacle, pull out the antenna wholly)