1.Can be reported out of 300 room number, can accommodate 1800 detectors, open communication distance of 250-360 meters.
2.Alarm, the first group of messages sent then the alarm call
3.Private phone SMS settings feature: private SMS format can be set up private phone.
4.Alarm and undervoltage records can be consulted, each up to 50.
5.Applicable to office buildings, hotels, large markets and all personnel-intensive places.
China [CN] 
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