Features of FDM3-258 series of bi-directional sound auto burglar alarm:

1. Prompt of fashion sound. Emulation voice prompt of burglar alarm On/Off, the first collision, not completely closing the door and forgetting to start the burglar alarm.
2.1000m control distance/remote BB controller receiving alarm within 1500m.
3. The remote controller igniting to start the auto and enter into the state of warning up.
4. The double shaking sensor being equipped to solve the inconsistent shaking sensitivity of front and back.
5. Prompt of sound for burglar alarm On/Off, after stopping, it is used similarly as the ordinary bi-directional burglar alarms.