This 17 CHANNEL professional heavy duty metal series RC excavator is a FULLY LICENSED EDUCATIONAL TOY; It has been constructed to be used indoors and outdoors and withstand tough terrain such as in a sandbox or among small stones. It has 660 degree mobility and four separately motors which allow maximum independent control like a real tracked excavators. Our RC excavator is Ready-to-Run(RTR)tracked vehicles, no assembly is required after putting the batteries. It has DIY accessories, the Hammer/Claw (sell separately) which can make your tractor toy become a fork/grapple excavator or break/crusher hydraulic excavator. 2.4GHZ wireless technology, wide control range up to 80 feet without interference Specifications: Scale: 1:16 Truck size with maximum extension: 24.8" x 16.9" x 6.5" Truck size without extension: 10.6" x 6.3" x 6.5" Truck Battery: 4.8V 400mAh NI-MH Battery Remote Control Battery: 2 x 1.5V AA Battery (not included) Running time: 30 minutes Charging time: 3-4 hours Control range: about 80 feet 17-Channel full function: Forward/Backward, Left rotation/Right rotation, Clockwise/counter-clockwise rotation, Unloading, Excavating, Staring Sound, Trumpet Sound, 660° Rotation of the console, Lifting through large/small arm, Auto shut-down functuon. Package Includes: 1xRC Excavator 1xRemote Controller 1xNI-MH Batteries 1xUSB Charger