Crystal is not included (Compatible with Futaba Crystals)
A top-quality radio transmitter, the 3-channel pistol-grip style TF-10 features FM transmission and the 27mHz band for a low chance of interference.

Use with #80558 FM 27mHz receiver and FM 27mHz crystals for correct operation.

8 AA batteries not supplied.

Also available are sets of crystals:
#80651 CRYSTAL SET (BROWN BAND 1/FM 26.995MHz)
#80652 CRYSTAL SET (RED BAND 2/FM 27.045MHz)
#80653 CRYSTAL SET (ORANGE BAND 3/FM 27.095MHz)
#80654 CRYSTAL SET (YELLOW BAND 4/FM 27.145MHz)
#80655 CRYSTAL SET (GREEN BAND 5/FM 27.195MHz)
#80656 CRYSTAL SET (BLUE BAND 6/FM 27.255MHz)

FM radio sets can be installed in any RC car or truck for reduced interference compared to AM radio sets, however you will need to purchase an FM transmitter, FM receiver and at least one set of FM crystals.