4 + 1 doors access controller (for up to 10 readers with protocol output or 4 readers with direct or 26-bit Wiegand output ), users can choose between additional (5th) door control or alarm output functionality, TCP/IP and 2 X RS-485 communication + Spider functionality as standard (it can be used as a RS-485/TCP/IP communication converter for multiple additional controllers, connected into RS-485 communication line), internal memory for up to 30.000 users (expandable to 100.00 users) and 100.000 events, dim. 222x222x80mm, temp. range from -20 to +40°C, built-in power supply 40W, AC 230V, with built-in battery charger (battery 2,3Ah not included)