Made of high-quality materials, strong, non-slip, and wear-resistant, stylish and attractive. Buttons are sensitive, comfortable to touch, easy to install and operate. Daily waterproof, wear-resistant, stylish and attractive. High-quality materials, exquisite craftsmanship, strong, non-slip, wear-resistant, compact and well-made. Easy to install. The pipe diameter fits most electric handlebars on the market. Installation does not require removal of the handlebar and is simple to operate. Wire color definition: Green: Up Red: Set Blue: Down Black: GND Specification: 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 Only the above package content is included; other items are not included. 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.