Main Processor:32 Bit; Memory:16M; Input:Inputs x 8 ( door sensor x 2, exit button x 2, alarm x 4); Output:Relay x 6(door lock x 2, alarm x 4 ); Reader:Reader x 4; Card holders/Events:100,000/150,000; To PC:RJ45(10/100M); To Reader:Wiegand26/34,RS485; RTC:Yes; Power Supply:9-15DC/500mA; Dimension(W×D×H):210mm×51mm×116mm; Working Environment: Indooren