... ) sms edited for zone name 2) Voice remind with intercom speaking 3) 10 defence zone Wireless Security Alarm Product,home security protection ... line,everywhere have GSM frequency is suitable to use2) 6 wireless defence zones,4 wired defence zones3) Can dial 6 telephone ... Main panel,1 GSM antenna,1 wireless PIR detector,1 mini siren,1 Wireless door detector,2 Remote controllers,1 Built-in backup ...