Simon XTTM is a cost-effective security system that offers up to 40 zones of burglary and fire protection, and which complies with SIA False Alarm Standards. With a built-in display touchpad and a status speaker that provides visual and voice messages for feedback, Simon XT is well suited for houses, apartments, and condominiums.The Simon XT panel comes standard with 40 wireless zones, or it can be set up with 38 wireless zones and two built-in hardwired supervised burglary zones (normally-closed loop only). The built-in radio receiver works with both crystal and SAW LearnModeTM sensors.Simon XT supports off-premises telephone control to arm and disarm the system, check system status, activate no-entry delay, or activate the latchkey feature. With latchkey capabilities, the panel can be programmed to notify customers if the system has not been disarmed at a scheduled time.Simon XT supports convenient system operation from anywhere within the premises with the use of wireless touchpads. Choose from the Remote Handheld Touchpad, two-, four-, or five-button crystal or SAW Keychain Touchpads (keyfobs), or two-button ELM Keychain Touchpad. ELM (encrypted LearnMode) technology secures every keychain touchpad transmission. When powered by the optional line carrier transformer, adding X10-based modules lets customers control lights, appliances, and other devices.Simon XT can send messages to a central monitoring station using SIA or Contact ID (CID) formats. The panel can also report alarms to another land-line phone location or cell phone using Voice Event Notification. Built-in two-way voice capability with VOX (voice-activated switching) provides additional security and emergency contact with the control monitoring station. more info