For Installing Basic Vehicle-Based Light-Duty Pneumatics; 150 PSI Maximum Working Pressure; 1.38 Cubic Feet Per Minute (CFM) At 0 PSI; 2.5 Gallon Air Tank; 12 Volt; With Pre-Wired Pressure Switch (110 PSI On/150 PSI Off) And Relay/ 1/4 Inch NPT Safety Valve (175 PSI)/ 1/4 Inch NPT Drain Cock/ 1/4 Inch Male NPT Quick Connect Coupler/ Reducer (0.125 Inch Female NPT To 1/4 Inch Male NPT)/ 20 Foot Length 12-Gauge Wire With In-line Fuse Holder/ Electrical Connections/ Accessory Airline/ 4 Inch Strip Of Continuous Grommet Material/ Dash Panel Gauge With ON And OFF Switch