High-performance integrated rotary knob switch for electric vehicles, crafted with premium ABS and durable metal contacts for long-lasting reliability. Precision-engineered with a smooth-turning mechanism and tactile feedback for effortless operation in all weather conditions. Combines horn, headlight, and turn signal functions into one sleek unit to reduce handlebar clutter. Features corrosion-resistant zinc alloy components and waterproof wiring harness (IP65 rated) for year-round riding. Direct OEM replacement fits most 5th-gen e-bike and scooter models with plug-and-play installation. Ideal for delivery riders, commuters, and shared mobility fleets requiring rugged, maintenance-free controls. Backed by 20,000+ cycle testing and CE/RoHS certification for safety compliance. Bulk pricing available for distributors and repair shops.