Used on DC 12V electrical system??fit for 22mm/ 7/8″ handlebar. It can use for all motorcycles, bicycles, motorbikes, ATVs, scooters, and snowmobiles. Made of quality material, waterproof. anti corrosion, suitable for a rainy day. Function: Double Control Push Switch, with Turn Signal Light High Low Beam Button. Easy to install, just only use few minutes to put on the switch. The blue and black wire for the positive polarity, brown wire for the negative polarity. Package Included: 1 x Motorcycle Handlebar Switch Feature: Function: Double Control Push Switch, with Turn Signal Light High Low Beam Button Use for all motorcycles, bicycles, motorbikes, ATVs, scooters, and snowmobiles. Easy to install, just only use few minutes to put on the switch. Installation Note: The blue and black wire for the positive polarity, brown wire for the negative polarity. Specification: Material: Aluminum Alloy Voltage: DC 12V Color: Black Fit Motorcycle Handlebar Size: 22mm/ 7/8″ Dimension: 4