Hugine Upgrade 15 Channel 2.4G Professional Alloy Remote Control Heavy Crawler Excavator 2.4G 15 Channel Full Functional Remote Control Construction Tractor Cab Can Be Rotate 680 Degrees and 360 Degree Pivot Steering With Caterpillar Band 3 Section Boom Lift Up and Down and Digging Arm Each Joint can be Independently Controlled. Automatic Demonstration Function with Flashing Light and High Simulation Sound Effect Remote Distance Farther, Signal Stronger, More Stable Frequency, Support Multiplayer Games