Hardware Specifications: CPU Dual-core Cortex-A72 up to 2.0GHz Quad-core Cortex-A53 up to 1.5GHz RAM/ROM 4G RAM,32G ROM Unit connector with metal case DC IN,12V 1000M Gbit LAN HDMI2.0 USB Host x 2 USB OTG x 1 (type C) 3.5mm Earphone Jack TF Micro SIM cars slot 4G antenna(for option) / WiFi antenna (default WIFI) Network LAN, Dual band WiFi,802.11n/ac; 4G/WIFI Stadard version is WIFI; 4G LTE for option. Extension ports reserved pins for LVDS,backlit,AVR output,MIC,touch panel Features Time on/off Supported Watchdog Supported Touch screen Compatible with most of USB touch screen