Smart Alarm Home Security
49.99 $
Door Sensor can transmit the network which has the particular frequency.
The radio frequency is different. In the communication with it main controller. The door sensor can send messages to the main controller. But it can’t receive messages from the main controller. When the alarm is triggered.
The door sensor sends messages to the main controller. The main controller will display the current status of door sensor. So the door sensor can associate with other devices.
The door sensor is battery powered. Is small and can be installed on the window or door easily. When the door or window is open. The door sensor is triggered and linkage alarm realized.
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Note: Due to High Demand Promotional Items May Take Up to 10-15 business days For Delivery.
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Description
Mini appearance design, mobile phone remote mute function!
- Power: 3V Battery, 3 years use life
- Size: 60*30*11.8mm
- Sensitivity: 0.089-0.25dB/m
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