K40 is a 2.8 inch TFT screen fingerprint amp; time attendance access control terminal. It able to interface with third party electric lock and exit button. TCP/IP and USB host make data management extremely easy. Most important, the build-in backup battery can eliminate the trouble of power failure. TCP/IP, USB Host Build In Backup Battery Attendance Report in Excel Format Application: Home, Office Transactions: 80,000 Display Size: 2.8 Inch Identification Speed: 1 sec Color: Silver Display : 2.8-inch TFT Screen Software : ZKTime 5.0 Communication : TCP/IP, USB Host Fingerprint Capacity : 1,000 Fingerprint ID Card Capacity : 1,000 (Add in EM Card Module) Records Capacity : 80,000 Records Standard Function : Build In Backup Battery (4 hour backup, 7.4V 2000mAH) Electric Lock, Door Sensor, Exit Button Power Supply : DC 12V/1.5A Operating Temperature : 0 ~ 45⁰C (32 ~ 113⁰F) Operating Humidity : 20 ~ 80% Dimension (L x W x T) : 184(L) x 136(W) x 37.6(T)mm