LCD display: 4 lines character white LCD 128*64 multi language, English, French, Spanish, Arabic, etc., for speaker: Voice prompt (language can be selected) more than 15 languages can be selected technical specifications capacity environment fingerprint capacity: 1, 500 operation temperature: 0 ~ 45 log capacity: 50, 000 operation humidity: 20% ~ 80% verification/identification power verification speed(1: 1): ≤ 0.5s 110/220vac ~ 12vdc(power supply PS-2a is optional item) identification speed(1: N): ≤ 1s machine size frr: ≤ 0.01% 155(l)*110(w)*38(h)mm far: ≤ 0.0001% access control communication built-in relay, support 99 time zones, 5 groups, 10 TCP/IP, RS232/485, wiegend in/out, USB port door-opening combinations attendance status function support check in, check out door bell, schedule bell, SMS alarm customize function dismantlement alarm, break-in alarm, duress alarm fingerprint capacity enlargement, webserver, anti-pass back, auto status