4KW/5KW/6KW/8KW/10KW/12KW On grid inverter.   10 Years Warranty.   Max. DC Voltage up to 1000V   High power density, offer lighter and easy installation   Carton box package.   Power level 4KW 5KW 6KW 8KW 10KW 12KW General parameters Protection Degree IP65 DC Reverse Polarity Protection YES DC Switch YES Communication Interface R485( Standard), Wifi, GPRS(Optional), SD Card Dimensiton 483*452*200mm Display LCD