Hardware Specifications: CPU Rockchip RK3288 quad core, 28nm, ARM Cortex-A17,up to 1.8GHz GPU Quad-Core ARM Mali-T760 MP RAM 2G or 4G RAM ROM 16G or 32G ROM Unit connector *with metal case DC IN,12V 1000M Gbit LAN HDMI2.0 USB Host x 2 USB OTG x 1 3.5mm Earphone Jack TF Micro SIM cars slot WIFI 4G LTE for option Network Gbit LAN, Dual band WiFi,802.11n/ac; 4G/WIFI 4G LTE and WIFI supported,4G LTE is optional. Extension ports reserved pins for LVDS,backlit,AVR output,MIC,touch panel Resolution 4K 60Hz OS Android7.1 or Android9.0 Features Time on/off Supported Watchdog Supported Touch screen Compatible with most of USB touch screen Real Time Clock (RTC) Supported Rotation Support manual rotate Customzie FW Supported,MOQ 500pcs Packing: Accessories Power adapter/remote control/HDMI cable, (VESA for option) Unit Size 140 147 30mm (with antenna); 140 114 30mm(without antenna) Working Temperature 0 70 Working humidity 0%~95%