Realand A-C030 Employee Time & Attendance System for Schools, Offices and Factories Standalone fingerprint time clock. Fast speed for verification(Up to 200MHz CPU CLK and 110MHz system operating frequency.) Support USB HOST and USB CLIENT both. A-C040T Three authentication mode: Fingerprint, RFID card(135Khz) and Password. Free RAMS software to manage employee info and attendance records.Free for updated to the latest version on website.