ZKTeco K90 is an innovative biometric fingerprint reader for time and attendance, TCP/IP communication is standard and makes sure the data transmission between terminal and PC, 2.8 inches TFT LCD screen, 1000 fingerprint capability. Power outages can be avoided thanks to the built-in backup battery. You can get the most out of it because of its exquisite style and solid quality. 45-degree operating temperature, 183 x 138 x 45 mm dimension.