This APP was designed for the GSM alarm systems, type 10A, 10B, 30A, 40A， 40B and 66A,it has 4 different languages Chinese, English, Italian and Russian. Users can remotely control the alarm panel by this APP, like arm, disarm, home arm, check the system status, intercom. The alarm system should use a GSM SIM card，when the system detecting intruder,the alarm system will alarm, send SMS and call host.All the operations on the panel by this APP are handled by SMS or phone call.