This is the clone Handy Baby auto key programmer, now CBAY key programmer
will be disassembled for all to learn its inner parts. This car key copy is from uobd2
Disassemble the cbay handy baby key programmer, you will see the green board.
Turn it over you will see the other side of the pcb board. It’s yellow.
Tighten with a screw and open the back cover, and you will see the battery (marked with SP-454853 3.7V 1700mAh) which connected to the car key copy main unit via a red wire.