Dearborn Python Diagnostic Instruments are the low-cost, multi-protocol interface, which have been intended to communicate to all OBD II vehicle diagnostic networks. These come with reprogramming modules and work as the versatile tools that are rendered in compact size and portability. These weigh less and thus are easy to use everywhere. These field reflashable products can be independently controlled and come with multi-protocol supports. These enable PC to be isolated from vehicles and make a USB-PC connection. Provided with wide input voltage range, these Dearborn Python Diagnostic Instruments have compact sizes & low-cost. Also, these come with Vehicle battery read (VBAT) support.