Features 8 onboard zones (16V/zone doubling) Built-in access control functions Supports PCS series, IP module (IP150) and voice module (VDMP3) Field firmware upgrade via 307USB, Babyware and WinLoad Selectable input resistors for EOL and Tamper Compatible with NEware V4.0 or higher Automatic daylight timing function PGM1 can be used as a 2-wire smoke input Program remote control using master or installer codes Built-in real-time clock backup battery 1.7A switching power supply 1 controllable bell output, auxiliary output and telephone line Patented 2 opto-initiated dialing circuit - the most reliable dialing in the industry (US patents 5751803, RE39406) Button press software reset (reset to default values ​​and reboot) Press button to activate or deactivate auxiliary output Fits in 28 cm x 28 cm x 7.6 cm (11 x 11 x 3 in) metal box EN 50131 Class 3 Function EVO192 Maximum zones 192 PGMs 32 (5 onboard) Multiple bus