Features:* Strong plastic shell and great performance.* Can help save electricity of the air compressor * 4 port manifold configuration allows for easy installation.* Widely used in personal workshops and factories.* There is an auto on/off button to manually shut off the compressor.* It is used to adjust the tank pressure between two preset values on the standard electric air compressor.* This is aftermarket parts, replacement for OEM. Specifications:* Material: Metal & Plastic* Color: Black* Enclosure Dimension (L x W x H): Approx. 82x52x127mm(3.2x2x5 inch)* Four Female Air Inlet Ports with Approx. 0.4 inch/12mm Thread Diameter* Voltage(V): 220-240V* BSP Thread: 4 Port 1/4" BSP* Max.Volt is 240* Max.Amp is 16* Maximum Pressure: 8 bar* Pressure Adjustable: 90 - 120psi* Weight: 0.27KG Package Includes: 1 x Air Compressor with Pressure ReleaseNote: 1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.