PI8150ig HMI CPU A35 1.2GHz, 4G Flash, 512MB DDRAM. Display:15 inches; Resolution: 1920*1080; Display color: 260k colors. Interface: a physical serial port. COM1: RS232, RS422 or RS485(choose one of two), RS485. USB interfaces: USB Host/USB Client. remote monitoring and serial port download supported. Supports related functions of V+NET, Ethernetpass-through download and sync data to cloud