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1 PCS Wireless 433Mhz Glass Vibration Sensor For Our Home Alarm Kits Description This is wireless vibration sensor, high sensitivity, with a slight vibration the sensor will send alarm signals to the host. The host will alarm immediately if receiving the electrical wave. This is an alarm accessory for home alarm host. Specifications Power: A23 Battery (DC=12V-8.4V) Current: ≤20 uA Transmission current: ≤15mA Transmit frequency: 433±0.2 MHz Transmit duration: ≤1S Transmit distance from host: ≥80m (no obstacle, pull out the antenna wholly) Temperature: -10 ~ 40 Degrees Humidit : ≤90% Battery Life Time: About 12 months Usage Please pull out the antenna wholly. It is in working condition if the led shows and the a host will alarm at the same time. However, if the working led does not show or the host does not alarm, please change battery or contat us f
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