Made of high-quality materials, strong, non-slip, and wear-resistant, stylish and attractive. The buttons are sensitive, comfortable to use, easy to install and operate. Daily waterproof, wear-resistant, and stylish. High-quality materials with fine craftsmanship, durable, non-slip, wear-resistant, compact and well-designed. Easy to install; compatible with most electric handlebars on the market. No need to remove the handlebar for installation, simple to operate. Wire color definitions: Green: Up Red: Set Blue: Down Black: GND Specifications: Product Name: Instrument Switch Size: 26CM Output Wire: 4-core wire Suitable Pipe Diameter: 2.2CM Weight: 20G Color: As Shown Material: Plastic Package Contents: 1 x Electric Bicycle Switch Control Button Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.