CPU and OS: Allwinner A40I ARM -A7 Quad-core 1.2GHz, /Mate; Memory: 2GB DDR3, 8GB EMMC; Supports SSD hard disk; Storage: 8GB EMMC; Supports SSD hard disk Communication function: Ethernet port: 1 x 1000M + 1 x 100M ; 2 x RS485 with isolation + 1 x RS232 with isolation console; -6204 is 4 x RS485 + 1 x RS232 + 1 x CAN.4G/5G full network access + WiFi Extended function module: reserved horizontal expansion capability, various functional modules can be customized and expanded, including:RS485: with isolation;DI: passive input type, module provides 24V isolated power supply;DO: relay output type, NC, COM, NO nodes AI: 0-5V/4-20mA, two-wire/three-wire input, board provides 24V isolated power supply; AO: 0-5V/4-20mA, two-wire/three-wire output, external 24V isolated power supply; AI+AO: 0-5V/4-20mA, two-wire/three-wire input/output. Power supply is the same as above Other customized modules interface: HDMI1.4, supports 1080p@60fps USB supports keyboard, mouse; or resistance/capacitance display interface Expression calculation definition and alarm processing Video processing capability: Video RTSP/RTMP, , GB28181 Video recording and playback Data trigger segmented video upload Video AI event return and linkage, data OSD encoding Local streaming service 264/265 playback SCADA function: Full-function SCADA system, processing points: 2048 points, or B/S mode Development environment: C/Expression/Ladder Diagram/Java/Python and other edge computing secondary development environments Encryption chip: Software license authorization encryption chip (SMEC98SP) State Grid communication dedicated encryption chip (SC1161Y) Power supply: DC: 24V The printing words may be different due to different factory batches, but it not affect the use Colour:Blue Material:plastic Package Contents: 1 x for Banana Pi -6204 Embedded Single Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.