1. Regulatory compliant safety - Ensures appropriate hearing frequency and decibel standards for safe operation - Fully adheres to public area rules to prevent violations or misuse 2. Flexible use across vehicles - Universally compatible horn for car, motorcycle, and e-bike with plug-and-play system - Tool-free installation for convenient use in various rearward warning scenarios 3. Adjustable volume - Four levels for optimal audibility - High-quality chip delivers precise and natural dog-bell sounds in every use 4. Reliable system - Advanced voltage compatibility minimizes power loss risks and audio interference - Ensures continuous operation across all vehicle electrical systems Use scenarios - Reversing in tight urban parking spaces where a clear audible warning is needed - Backing out onto city streets or bike lanes to alert nearby pedestrians and cyclists - Enhancing backup warnings on motorcycles or e-bikes in varied lighting and electrical conditions