This is not only a bike extender bracket for your bicycle light, speedometer, etc, but also a rechargeable power bank. Made of high strength Aluminum Alloy, excellent shockproof and maximum firmness. easy to clean and durable. Give you best support during cycling.Features:Not only a handlebar extender, but also a rechargeable power bank.Aluminum alloy construction, solid, strong, corrosion-resistant and easy cleaning up.Fix it tightly on your handlebar with 2 screws on both sides.Double gaskets protect your handlebar from slipping or scratching the rod.IPX6 waterproof, work normally in rainy days.Can be mounted on handlebars of 22-32.8 mm.Nice holder for bicycle light, speedometer, GPS devices, flashlight or smartphones, etc.Specifications:Material: Aluminium alloyColor: BlackBattery: 2 * 18650 Li-battery(not included)Product Size: 205 * 95 mm / 8.1 * 3.7 inPackage Size: 25.5 * 11.2 * 4 cm / 10.0 * 4.4 * 1.6 inPackage Weight: 250 g / 8.8 ozPackage List:1 * Handlebar ExtenderNote:Battery is not included.