NB-iot nest best wireless smoke detectors PA-441

Each standalone smoke detector is a miniature alarm system. When the smoke is detected in the first second the flashing determination state can be replaced. as long as the value reaches the concentration the alarm will be immediately issued which brings more customers more layers of safety.

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Product Description

Product features
1,Exclusive smoke intelligent algorithm 
2,High sensitivity, zero false alarm, strong anti-interference
3,With voice prompts and voice alarms functions 4,GSM/GPRS intranet alarm system, support multi-channel alarm, like SMS, central internet, Wi-Fi, 433mlz, NB-LOT etc,to ensure that the alarm is stable and reliable
4,Support SMS, central remote control and parameter settings
5,GPRS is real-time online to get the latest working status of the device at any time
6,Up to 5 groups preset alarm calls, which can be set together with its SMS switch respectively

Technical Parameters
1,Power: DC9V laminated battery (6F22/9V)
2,Quiescent current: <10uA
3,Alarm current : <100mA
4,Transmitting distance: ≥ 100m (open distance)
5,Operating temperature: 0° C to +50° C
6,Relative humidity: ≦ 95% RH, no condensation
7,Alarming sound: >80dB
8,Wireless transmission: 433MHz/1527/330K
9,Battery low voltage alarm: The alarm will emit wireless low voltage when the battery is under voltage Code, and the battery emits Wireless low voltage code every 24 hours under continuous low voltage
NB-iot wireless smoke detectors
NB-iot wireless smoke detectorsNB-iot wireless smoke detectorsNB-iot wireless smoke detectorsNB-iot wireless smoke detectors
NB-iot wireless smoke detectorsNB-iot wireless smoke detectorsNB-iot wireless smoke detectorsNB-iot wireless smoke detectorsNB-iot wireless smoke detectors
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