1. Made of high-quality materials, strong and durable, non-slip and wear-resistant, modern and beautiful. 2. The buttons are sensitive, feel comfortable, easy to install and use. 3. Daily waterproof, durable and daily waterproof, durable and modern and beautiful. 4. High-quality materials, exquisite craftsmanship and high-quality materials, strong and durable, non-slip and wear-resistant, compact and exquisite. 5. Easy to install. The tube diameter is suitable Compatible with most electric handlebars on the market. It is easy to install without removing the handlebars and is easy to use. Wiring color definition: Green: Up Red: Set Blue: Down Black: GND Specification: Product name: Instrument switch Size: 26 cm Output wire: 4-core wire Suitable tube diameter: 2.2 cm Weight: 20 g Color: As shown Material: plastic Compatible with package content: 1 * E-bike switch control button Only the above Compatible with package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement error is +/- 1-3 cm.