The maximum voltage is 12V, and the maximum work pressure is 200 PSI. AMP is drawn to 23 amp, the flow velocity (0 PSI) is 1.7cfm, and the product size is 10.6"x 4" x 6.87 ". 1/4 or 3/8 models are available for selection, and it can be freely paired with silver or black. Simplified Setup for Convenient Use. This Onboard Air Compressor for Cars Features an All-in-One Design with Included Mounting Bracket. For Universal fitment. For Car Horn/Air Ride Suspension/Air Tools/Vehicle Tires/Motorcycle Tires. ZHSYMX Universal 150 PSI 1/4 NPT Horns Heavy Duty Onboard Air Compressor, Rep... ZHSYMX Heavy Duty 200 PSI Air horn Compressor, 3/8 NPT Train Horn/Air Ride Co... ZHSYMX 200PSI 1/4 NPT Heavy Duty Air Train Horn/Air Ride Suspension Compresso... ZHSYMX Ultra Quiet Air Compressor. 300PSI 1/4 NPT Super Silent 69DB Truck/Car... ZHSYMX 3/8 NPT Super Silent 69DB SQ495 DC 12V 300PSI Air Ride Suspension Comp... Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 3.4 out of 5 stars 21 4.2 out of 5 stars 21 4.4 out of 5 stars 41 5.0 out of 5 stars 3 4.3 out of 5 stars 12 Price $69.99$69.99 $97.99$97.99 $97.99$97.99 $132.99$132.99 $137.99$137.99 Model 14ASCS x480 14ASC SQ420 SQ495 Max. Working Pressure 150PSI 200PSI 200PSI 200PSI 200PSI Max.intermittent Pressure 200PSI 250PSI 250PSI 300PSI 300PSI Flow Rate@Opsi 1.9CFM 1.8CFM 1.8CFM 1.4CFM 2.2CFM Max.Amp Draw: 20Amps 23Amps 23Amps 20Amps 28Amps Decibel range 70-89Decibels 70-89Decibels 70-89Decibels 60-69Decibels 60-69Decibels Color Silver Silver/Black Silver/Black Silver/Black Silver/Black