Check the listing for details. Paradox EVO192 V7.31 192 Zone Control Panel Security Alarm System. Condition: New. Listed at 129.99 USD. Paradox EVO192 V7.31 192 Zone Control Panel Security Alarm System Genuine Please be advised that once you have upgraded to firmware version 7.x, downgrading to previous firmware versions (6.90 or lower) is NOT supported. 8 on-board zones (16 w/ zone doubling)Built-in access control featuresSupports PCS Series, IP Module (IP150) and Voice Module (VDMP3)In-field firmware upgrade via 307USB, Babyware and WinLoadSelectable input resistors for EOL and TamperCompatible with NEware V4.0 or higherAutomatic Daylight Savings Time featurePGM1 can be used as a 2-wire smoke inputProgram remote controls using the master or installer codesBuilt-in real-time clock backup battery1.7A switching power supply1 supervised bell output, auxiliary output and telephone linePatented 2 opto coupler dialer circuit - the most reliable dialer in the industry (US Patents 5751803, RE39406)Push button software reset (reset to default values and restart)Push button to activate or deactivate the Auxiliary outputFits in a 28cm x 28cm x 7.6cm (11in x 11in x 3in) metal boxThe EVO series share the same programming for easy panel substitution