Features:*Strong plastic shell and great performance.*It can help to save electric energy 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 for manual compressor shut off.*Used to regulate tank pressure between two pre-set values on Standard electric air compressors.*This is non-original parts, replacement for OEM. Specifications:*Material: Metal and Plastic*Color: Black*Casing Dimension(L x W x H): Approx.82 x 52 x 127mm(3.2 x 2x 5 inches)*Four female air inlet ports with approx. 0.4 inch / 12 mm thread diameter*Voltage (V): 220-240V*BSP Thread: 4 port 1/4” BSP*Max.Volt is 240*Max.Amp is 16*Max pressure: 8 bar*Pressure regulation: 90-120psi*Weight: 0.27KGPackage Included:1 x Air Compressor Pressure SwitchNote:1. The real color 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.