Check the listing for details. Interlogix 80-649-3N-XTI-TS-ATT. Condition: Open box. Listed at 290.00 USD. Introducing the 80-649-3N-XTI-TS-ATT from Interlogix, a complete security solution featuring the Simon XTi with a Two-Way Talking Touch Screen and GSM connectivity for the AT&T network. This comprehensive kit provides everything you need to enhance your home’s security. The Two-Way Talking Touch Screen allows for easy control and monitoring, while the GSM modem ensures reliable communication through the AT&T network. The included sensors offer robust protection for doors and windows, and the pet-immune motion sensor ensures your furry friends won’t trigger false alarms. The convenient key fob makes arming and disarming your system a breeze. What's Included:(1) Simon XTi Two-Way Talking Touch Screen - 80-649-3N-XTI & 60-924-RF-TS(1) GSM Modem for AT&T Network - 600-1048-XT-ZX-AT(3) Crystal Door/Window Sensors - 1) 60-362N-10-319.5(Larger Contact) 2) TX-1012-01-1(Mini Contact)(1) SAW Pet Immune PIR Motion Sensor - 60-807-95R(1) 4-Button SAW Key Fob - 600-1064-95R Note: ALL PART NUMBERS LISTED. BATTERIES MAY NEED TO BE REPLACED DUE TO AGE.