Specifications
Features: Adopts single-power twin-room structure High sensitivity and good anti-jamming performance Special control CMOS chip gathering high composite degree Battery Powered Alarms when low on battery, reminding you to replace on time Steady performance and long life Static Current : < 10 micro ampere Working Current: < 10 milli ampere Alarm Sound: >= 85db Ambient temperature : 14 degrees Farenheit to 104 degrees Farenheit Operationg Voltage : 9V DC Low Battery Alarm: 6.5V to 7.2V included