The product is a 2007-2014 Yukon Suburban Silverado window switch assembly for the driver's side master control. It is a genuine OEM part with the OE/OEM part number 20877336AA, manufactured by the original equipment manufacturer. This switch assembly is specifically designed for the left front door of the vehicle, providing control for the window. It is a quality replacement part to ensure proper function of the window control system in the vehicle.