3in1 design that integrates light control, general control, and turn signal control in one compact unit. This switch button lets you operate lights and signals without multiple switches, simplifying handlebar controls on your electric bicycle or scooter. Durable and practical. Made from PVC for everyday use, it is designed to withstand varying weather conditions and deliver longlasting performance. Wide compatibility. Fits handlebars with a 5 mm (0.89 in) diameter, making it compatible with a range of vehicles including electric bicycles, scooters, street bikes, motorcycles, and more. Sleek and stylish design. Black finish with a streamlined profile that blends with the overall look of your electric bicycle or scooter, adding a touch of style without being flashy. Use scenarios Upgrading an urban ebike or scooter: multiple switches with this 3in1 unit to manage lighting and signaling from a single control on the handlebar. Riding in diverse weather: designed to endure rain and sun in daily use, helping you stay prepared for changing conditions. Heavyuse vehicles: a versatile accessory for various handlebars (bikes, scooters, street bikes, motorcycles) that benefits riders who want fewer components on the bars.