99 Zones GSM+PSTN Dual Network Wireless Burglar Alarm SystemPackage:1*Control Panel / Keypad3*Wireless PIR Detector3* wireless Keychain Remote Controller1* wireless Door / Window Sensors1* Power Supply1* English Manual1 * wired Indoor Siren6* Door sensorNote: our stardant GSM frequency: 900/1800/1900Mhz