Paradox EVOHD+ Insight Digiplex Central Control Panel, 8 to 192 zones, Grade 3, Complies with EN50131 Grade 3. 2.5A switching power supply, 8 partitions, 192 zones. 999 user codes. 16 PGMs (5 on the control panel for controlling programmable outputs). Compatible with up to 254 expansion modules. Uses a digital bus.