2-in-1 ignition switch for horn and lights, designed for retrofit on scooters, ebikes, and motorcycles. Fits handlebars for easy upgrading or replacement. Small and easy to mount, this switch is suitable for handlebars with a diameter of 22.2 mm (0.87 inches). 2-in-1 function: horn and light switch in a single universal unit, suitable for multiple applications. Crafted with precision and durability in mind, this ignition switch is built to provide a smooth and hassle-free start every time. Retrofit scooter, ebike, and motorcycle parts equipment compatibility ensures you can upgrade existing setups without complications. Use scenarios: - retrofit a scooter or motorcycle to add reliable horn and headlight control in a compact, dual-function switch - upgrade an aging ebike handlebar control with a durable, easy-to-mount unit for horn and light operation - install in a custom build or project bike that requires a universal switch with two essential functions in one compact module