Nơi xuất xứ
Guangdong, China
GSM frequency:
900/1800/850/1900MHz (optional)
Wireless frequency:
315MHz/433MHz for optional
Alarm response time:
≤8s (GSM signal in normal)
Power requirements:
AC 220V 50Hz/60Hz
Working consumption
< 0.6W
Backup battery:
DC7.4V/850MA, lithium battery
Backup battery working hours:
≥10 hours
Name
gsm alarm security alarm system manual