Feature:1. Application Range: Designed for 12V air horn, also compatible with horn, car, truck and vehicles which are quipped with with air horn, able to replace the old one.2. High Performance: Has silver surface with chrome plating, that this pump can provide a stable performance, easy installation, matching for your car.3. Size Description: Suitable voltage range is DC 12V for normal running, the length is about 115mm/4.5in, pump diameter is about 50mm/2.0in.4. Good Sealing: Has good sealing for waterproof function, It is suitable for freshwater or saltwater environments, and also is suitable for almost any weather conditions.5. Package Content: The package contains only a air pump, other accessories and tools need to be prepared by yourself, please make sure you are clear about this.Specification:Item Type: Air PumpMaterial: Aluminum AlloyColor: As Picture ShownApplication: For Vehicles, Truck, Trains, ShipsProduct Size: Approx.115(L)50(Dia)mm/4.5(L)2.0(Dia)inVoltage: DC 12VCurrent: 15.0AOutput Air Pressure: 0.1mpa-0.15mpa.Package List:1 x Air Pump