6V 12V ZM-DR01 DR04 V2.6 24V LDR01 V1.6 Children's Electric Vehicles Remote Control and Receiver Kite,Ride On Car motherboard

ZM RC1=ZM RC2

How to choose?

It depends on the model, such as DR04... You should choose the same model.

Frequency matching button “Z”

Can you consult me?