... built-in wireless Wi-Fi or GPRS for wireless communicationBuilt-in contacts for 3rd party electric lock, door sensor, ... alarm, exit button, or bell.Wiegand Output for connections to 3rd party access control panels.Specifications CPUMulti-Bio ... printer, Mifare card, Extendable Scheduled-bell, Short Massage, Web-server, GPRSPower supply12V3AVerification Speed≤2 secOperating temp0°C- 45 ...