Resolution of recording video files: 1920 x 1080, 1280 x 720, 720 x 576 ; Max. capacity of memory card: 2 x 128 GB SD/SDHC ; Supported hard drives: 1 pcs 2.5 " - 2 TB SATA ; GPS; Wi-Fi; 3G/4G; SIM socket: mini SIM ; RS-485; Alarm inputs / outputs: 8 / 1 ; Operation temp: -20 °C ... 70 °C ;