Single Door Access Controller Dual function for Access Control and Time & Attendance Dual 8 bit microprocessors User Selectable Card holders Events(Up to 10,000 5,000) Built-in 4" (10cm) RF reader - Standalone Network communication via RS232RS422 (max. 32ch) RF Card only or, RF Card+4 digit PIN No. operation modes Independent 4 inputs and 4 outputs including 2 output relays External reader port for Anti-pass back operation (RF1020, RFK101) Dual Tamper switches 10 Times Schedules and 10 Holiday Schedules