Point d'origine
Guangdong, China
AV voltage
AV 100V-240V 50-60Hz
Battery voltage
9V rechargeable battery(optional)
Environment Humility
10%-95%
Alarm Density
2500PPM (±1500PPM)
Wireless working frequency
433MHz
Wireless working distance
150M (in open area)
Alarm time
Keep alarming after over 2500PPM