สถานที่กำเนิด
Guangdong, China
Power supply
9V rechargeable battery or AC 90V-240V
Working temperature
0°C-50°C
Environment Humility
10%-95%
Alarm Output
Red light flash, human voice prompt& alarm
Alarm Density
2500PPM(±1500PPM)
Alarm time
Keep alarming after over 2500PPM