【PackageSize】57*31.5*45.5CM
【PackageNum】100 PCS
● Working voltage: DC9V;        
● Static current: ≤20uA;
● Alarm current: ≤15mA;
● Alarm sound pressure: ≥85dB/m
● Working temperature: -10 ° C ~ +50 ° C;
● Working humidity: ≤95% RH;
● Alarm mode: sound and light alarm;
● Monitoring area: 20 square meters;
● Output frequency: 433/315HZ optional