Features: 1. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. 2. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use. 3. Diversified colors: The product is available in a variety of colors to meet the needs of different groups of people. 4. Unique breathing design: with snail performance, heat resistance and sturdiness, tungsten contact corrosion, high temperature, no oxidation, good contact. 5. Easy to install: The product is very easy to install and can be installed in a few minutes, simple operation. Description: General purpose, suitable for most motorcycles or cars. Using universal mounting bracket, easy to install. Specifications: Color: red, gold, purple, gem blue, silver gray (optional) Voltage: 12V Applicable models: Universal Impedance: 1 Sound level: 105db Frequency: 410-510 Hz Size: Approx. 90x90mm Package Included: 1 pair * Car Horn Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.