Saful TS-W168 smoke detector for GSM alarm system, fire alarm

Name :smoke detectorBrand :SafulModel No. :TS-W168Discription:smoke detector for GSM alarm systemGross Weight :0.22kgPacking Size :11*11*4cmFeedbackSmoke detector:Power Input: DC12V DC 9V(Battery),Operating Frequency:433/315/868mzhPower consumption: <1W, Operating Temperature: -10 degree  to +50 degreeOperating Humidity: <95%, RH Alarm Output: sound alarm Sensitivity:  I or II level