Use GSM wireless networks and phone line dual-network communications, supports SMS and voice alarm,  sound recording and text message can overwrite
Any network failures can automatically switch to another network to transmit warning information
Circular dial 4 or 8 sets telephone or cell phone number, stored numbers can be up to 16-bit
Alarm provides 20 or 40 second recorded message tells the user when alarm
Trigger mode can be set to normally open, normally closed, or 12 volts DC trigger alarm dial
Trigger relay linkage output after 15 min
Easy programming, permanent storage of parameters, data is not lost when the power is
Other CDMA alarm mode, 3G, such as wireless communication networks, and can be customized

★ Operating voltage: 11-15V/DC
★ Operating current: 50/200mA

★ Product weight (gross): 0.35kg

★ Product dimensions (length x width x height): 140x30x90mm

★ Telephone:
★ Tel: 4 or 8 sets optional
★:900MHz/1800MHz/950MHz/1900MHz  GSM frequencies (optional)
¡Ï alarm inputs: normally open, normally closed, or 12V/DC (an alarm trigger)