Children Electric Ride on Car Remote Control Receiver Motherboard

use for HH701 707 670 671 677 621 2158 2403 7888K receiver,kids electric car accessories

Match 621 RC with 621 controller

670RC=619RC

All other controllers are matched with 670RC or 619RC

Purchase based on the original controller model

7888K=7889K

670K/671K=2156K