1.can be registered and managed more than 1500 fingerprints and 4000 records 2.with keypad and LCD Fingerprint Time Attendance Clock SystemParameterSize: L153mmxW87mmxH21.5mmPower supply:DC9V-15VResolution ratio:508dpi, time of fingerprint contrast: within 2 secondsFalse reject rate: within 0.02%False accept rate: within 0.0003% 1,500 fingerprints can be registered, 4,000 records are ...