2" 52mm 20LED PSI BOOST GAUGE100% Brand NewSpecification:Unit Type: PSIInput Voltage: 0-4.0vDisplay Range: -15~+45 PSIDigital Accurately: Every 1 PSILED 20 PCS Features:2 1/16th inch gauge or 52 mm diameter.The gauge will both show the digital and analog LED.Fit 2" or 52mm Diameter Gauge Pods holder.English Instructions included. Package includes:1 x Digital Boost Gauge1 x 6.6ft PVC Hose1 x Boost Sensor1 x Filter1 x Boost Tee1 X Users Manual In English