Hikvision DS-K2602 network access controller

System Parameters Storage: cards information: 100,000 (200,000 expandable) access control events : 300,000 (600,000 expandable) Capacity: 16M Processor: 32-bit Device Interfaces Accessible Card Reader: 4 Card Readers (RS485 Interface) and 4 Card Readers (Wiegand Interface) Connectable Uplink Communication Interface: TCP/IP Network Interface and RS-485 Interface Downlink Communication Interface: RS-485 and Wiegand (W26/W34) Output Interface: Lock Relay×2, Alarm Relay×4 Input Interface: Alarm Input×4,Door Sensor×2,Exit Button×2,Case Input×4,Tamper Alarm×1 General Working Voltage: DC 12V/1A Power Consumption: ≤4W(Without Load); ≤100W(with Load) LED Indicator: Power Supply Status, Communication Status, Working Status Certification: CE, FCC Working Humidity: 10% to 90% (Non-Condensing) Working Temperature : -20°C to 65°C (-4°F to 149°F) Dimensions (L×W×H): 370mm x 345mm x 90 mm (14.6” x 13.6” x 3.5″)