It is with great excitement that we are able to offer a new remote controlled construction machine from Die-Cast Masters. This 1/24 scale Caterpillar D7E Track - Type Tractor will provide hours of play. It comes with a rechargeable lithium battery, has lights and sounds, and functions fully. It has individual RC movements of front blade, rear attachment and tracks. Controller uses 2 AA batteries while the machine itself runs on a rechargeable 700mAh lithium battery.