Features Power Voltage: Air horn solenoid can accept 12 volt DC Max Pressure Support: Air horn solenoid valve support max air pressure: 120 PSI，Air outlet 1/4"NPT Male ,Input Fitting: Compression fitting to fit 1/8" NPT-MALE Works on both 12 V Systems. Includes a 1/4" BARB fitting for 1/4" ID Hose. Suitable for car, train, truck air horn system Description: Perfect for Air Horns & Air Ride Systems. Works on both 12 V Systems. Includes a 1/4" BARB fitting for 1/4" ID Hose. Suitable for car, train, truck. Material: All metal Voltage : 12V Package Include: 1 x Air Horn Solenoid Valve Note: Please note that the color of the accessories of this product will be sent randomly, please make sure you don't mind before ordering. Package List