Technical Specification
Model No.
SR-908NS
AV voltage
AC 90V-240V
Battery voltage
9V rechargeable battery(optional)
Working temperature
0℃-50℃
Warm-up Time
About 180S
Environment Humility
10%-95%
Sound Level
85dB/m
Alarm Density
2500PPM(±1500PPM)
Alarm time
keep alarming after over 2500PPM
Size
112×73×42MM