**Important Note:
Remote only reserves one channel
for either sound or light. Remote will not work for both.
11. Main features: 2-speed planetary transmission, reduction
ratio at 1-speed is 1:16 and 1:4 at 2-speed. Axles have been
preset up with the function of differential locking with the
remote control. Since the hanging anti-dig rod is adjustable,
you may lock down the screws for anti-dig rod to improve
the body stability while fast running. Additionally, you may
unlock these screws to increase torsion for the axle while
climbing.