1:64 scale RC micro jack hammer. Runs forward and reverse, turns right and left. Manually you can raise, lower, extend and retract the excavator arm, turn the turret rright and left and change the bucket position. The jack hammer has 2.4 Ghz remote system that allows to run up to 50 of these items at the same time with no interference. Run time of 15-20 minutes and control distance of 50 feet