Metal RC Excavator 1/14 Hydraulic EC380 for Remote Control Tracked Cars. Item Condition: New, Assembled and Painted. AT9S Remote Controller & Receiver. The Package Doesn't Include. The excavator comes with a 6-ways hydraulic valve, which makes it has enough channel for the use of hydraulic grab and hydraulic buckets.The hydraulic working pressure is 4mpa. The hydraulic system has a pressure gauge. There is a Liquid Crystal Display in the cabin. The excavator comes with an AT9S remote controller and receiver. The excavator is made of stainless steel, aluminum, copper and plastic. It comes with a manually quick-release coupler, which makes it easier to replace upgraded parts. If you have any questions or are not sure whether it is the correct item that you want, pls feel free to contact me before purchasing. Please don't easily open a dispute or return request if your products got problems.