Product Description: 1. It is installed in the cab and controlled remotely. 2. The valve has four working positions: rising, middle stop, and slow. 3. The valve has a beautiful appearance, self-locking of the middle stop position, transposition and simple operation. 4. It can realize the control and slow down of the downward action by cooperating with the pneumatic slow directional valve. Product advantages: The quality is stable and the consistency between products is good. The product is widely used in the hydraulic system of dump trucks with good versatility. The product is easy to install and maintain. Material: Metal + ABS Color: Black Package Contents: 2 x Proportional Control Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.