This is a Creality 3D Official Printer E3 FREERUN OS 32BIT SILENT 2209, a upgrade from 4.2.7made in China. It is a high-quality 3D printer part that weighs 4.2 ounces and has package dimensions

never been used couldnt tell you what firmware is on it   i have provided pics of everything i have that come with it when i got it

Th3d has some firmware for various machine s available