Communication: Wi-Fi/CoSS/Bluetooth/ZigBee, Android Operation System, 7inch Screen, 1024*600; CPU:4 Core ARM, Power Supply: DC 12V 1A, Interface: RJ45×2, RS485,DC12V output; Peripheral: Power button, Microphone, Speaker, Scenario keypads*4; Exposed Size:249*113*11mm; Whole Size: 335*114*70mm;