The iClock 990 is a 3.5-inch TFT screen fingerprint time attendance and access control terminal. It has a very user-friendly interface with new firmware and latest core board. Users can easily manage data via RS232/485, TCP/IP and USB-host. Most importantly, the built-in 2000mAh backup battery can eliminate the trouble of power failure. The iClock 990 has access control interfaces for wiegand-in, wiegand-out, door lock, alarm and door bell.