Function Characteristics Setting six card-checking periods of time. 46173 ultra big memory Support password open lock function 128*64 lattice ultra big LCD screen Support more period of time news roll transmittal function Keep data for 10 years on cutting off electricity condition Support RS485 and TCP/IP connection way Technical parameters Voltage : DC12V±15% Working Current: 110 mA Working temperature: -20℃~+70℃ Reading speed:＜0.1s Reading range: 0-50MM Memory: 46173 Network connection: RS4859 (need outside setting TCP/IP communication equipment) Communication distance: 1200M (RS-485connect net way) Transmission speed: 9600 baudrates Size: 160mm(L)X108mm(W)X36mm(H) Weight: 295g