Loud 150dB Air Horn 12Volt Bull Horn Loudspeaker Red Horn Unique cow calling FEATURES: No oxidation, good contact, easy to install. Universally applicable to most motorcycles, cars, trucks and boats. The sound has a unique personality, just like the sound of a cow. Low power consumption and good performance. Specification: Material: ABS and metal Color: Red Voltage: 12V Ampere: 3A± Frequency: 175Hz Size: 165 * 140 * 195 mm Weight: 1160g Package weight: 1260g Packing list: A horn. Including installation hardware. No air system is required. Easy to install.