Tempat asal
Guangdong, China
Wireless frequency
315/433/868/915MHz for optional
GSM frequency
900/1800/850/1900MHz (optional)
Power requirements
AC110-240V 50Hz/60Hz,DC9V-12V/1A
Siren loudness
15-110dB,can be adjustable to big or small volume
Working consumption
< 0.6W
Backup battery
DC7.4V/850MA, lithium battery
certificate
CE,FCC,Rohs and so on