The function of each button color is not the same, pay attention to view the picture Metal: Aluminum alloy + rubber, Length: approx. 55cm, Waterproof, work well on rainy days Suitable Compatible with motorcycles and motorcycles ATV sports dirt electric bicycles Interrupteur Moto It can be used Compatible with headlight fog brake hazard lights and other available components. Latching action (ON-OFF) button, can be use for general lights, hazard light, fog light, head light and power outlet for mobile devices Momentary action button, can be use as horn, turn signal, enginee power, start kill switches Product description Handlebar Hole Diameter: 7/8″ (22mm)for most motorcycle with 7/8″ 22mm handlebar compatible for motorcycles, Motorbike, scooters, ATV,  Sport Dirt Electric Bike Interrupteur Moto, Electric cars, bicycles compatible for Honda,  compatible for Yamaha,  compatible for Suzuki,  compatible for Kawasaki,  compatible for Arctic Cat,