This is a stand alone Cessna style Elevator and Rudder Trim Wheel Controller, featuring a 6.9" (175 mm) diameter Trim Wheel with a Trim Indicator. The Trim Wheel is an analog input/axis and has about 7.5 complete rotations for precise adjustments. Works in Microsoft Flight Simulator or X-Plane (Mac as well) or most any game that can use a controller. Does not work with Xbox or PS. Includes Removable Desktop Clamp and Under Desktop Mounting Plate that can be attached with the included 3M VHB double sided tape or with screws to the underside of your tabletop (screws not included). 3.5" wide X 7.8" deep X 7.5" tall Includes 10' USB cable. 1 year warranty. Free shipping to the Continental US. For International orders price and shipping costs do not include import fees/VAT your country may charge at time of delivery.