STP20 is a brand new electronic time recorder for attendance records including late attendance, absence and exception etc. Its functions include auto alignment, 2.8 inch capacitive Touch screen, fingerprint recognition, 6 punches and 3 shifts design, and paper cards with printable contents of time data logs. It is designed for both table-top and wall-mounted use. At the same time, it also supports USB host and Wi-Fi (optional)