YAOSHENG YS441 433MHz Wireless Fire Protection Smoke alarm Detector Alarm Sensors For RF GSM Home Security Alarm Systems

Main Features ● Exclusive smoke intelligent algorithm ● High sensitivity zero false alarm strong anti interference ● With voice prompts and voice alarms functions ● GSM GPRS intranet alarm system support multi channel alarm like SMS central internet Wifi 433MHz NB LOT etc to ensure that the alarm is stable and reliable ● GPRS is real time online to get the latest working status of the device at any time ● Up to 5 groups preset alarm call which can be set together with its SMS switch respectively SpecificationBrand YAOSHENGModel YS441Power DC9V Laminated Battery 6F22 9V Not IncludedAlarm Current 100mAQuiescent Current ≤10uATransmitting Distance ≥100mOperating Temperature 0℃ 50℃Relative Humidity ≤95 RHAlarming Sound 80dBWireless Transmission 433MHz 1527 330KPackage InformationProduct Weight Approx 0 7kgPackage Contents1 x PGST Smoke Alarm System