Alarm System Wireless O2 GSM

337.90 KM

*Cellular communicator, simple operation *Support 50 wireless sensors *Store 5 alarm phone numbers and 1 speed dial number *Voice memo recordable *Arm and disarm by SMS or free phone call *Two-way talk *Built-in siren and lithium battery backup *SMS alerts for power failure, power recovery and low battery *850/900/1800/1900MHz frequency