Hikvision Network Access Controller DS-K2802

System Parameters Card Reading Frequency: EM Card (DS-K1T105E/E-C): 125KHz; Mifare Card (DS-K1T105M/M-C): 13.56MHz Valid Card/ Swiping Record: 100,000 Cards and 300,000 Swiping Card Records Operation System: Linux Storage: 256M Storage Card Reading Mode: Supports EM card reading (DS K1T105E/E-C) Supports Mifare card reading, including card No. reading & writing function (DS-K1T105M/M-C) Built-in Micro SD Card: Max.32G Camera: 2MP (Optional) Processor: ≥1GHz, 32 Bit High-performance Processor Device Interfaces Accessible Card Reader: Card Reader Communication Mode: TCP/IP, Wi-Fi, RS-485, and Wigand 26/34 (under the card reader mode only) Output Interface: Lock Relay × 1, Alarm Relay × 1 Transmission Rate: TCP/IP, WIFI: 10/100Mbps Self-adaptive, RS-485: 19200 bps-N-8-1 Input Interface: Tamper Alarm × 1, Exit Button × 1, Door Sensor × 1, Alarm Input × 2 General LCD Screen: 320×240 LCD-TFT Display Screen Working Current: 500mA ( without Locks) Key Board: Keyboard (Back light) Power Supply: 12VDC Audio: Loudspeaker LED Indicator: Power/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): 122mm × 82mm × 23mm (4.8” × 3.2” × 0.9″) Weight: 280g (9.88lb)