11 CH full functional excavator, Electric RC remote control construction tractor excavator with lights & Sound. Fully functional: forward, backward, left, right, arm up and down, rotating 680° degrees with lights and sound Very detailed craftsmanship just like a real excavator, for indoors or outdoors, sandbox etc. The rc excavator uses thickened rubber tracks with clear texture and strong friction, can easily conquer any rugged terrains. Both sides of the tracks controlled separately. The truck comes with a rechargeable battery pack. It supports playing time of about 30 minutes. The remote controller uses 2 x 1.5v aa batteries (not included).