Features: Enhances safety with our electric tricycle motorcycle reversing voice alert horn, designed to emit clear warning sounds during reversing to alert pedestrians and vehicles nearby. This horn features easy installation process and is for various models, boasting adjustable volumes for clear in diverse environments. Ideal for electric tricycle and motorcycle drivers seeking to improve reversing safety and reduce accident risks. Perfect for busy city streets or parking lots, the voice alert ensures pedestrians stay vigilant, preventing unexpected incidents. With its waterproof and dustproof design, this abs horn is built for long term use in any weather condition, making it a reliable choice for enhancing road safety. Specifications: Component:ABS Size: Approx.8x6cm/3.15x2.36inch Voltage:12V/48-60V Package Includes: 1pcs Reverse Warning Speaker note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.