Product voltage: 12VOutput voltage: 5V 2ASuitable models: scooter, cross knightInstallation method: only need to be installed in the mirror part, 8MM and 10MM screw rods are commonThe retractable navigation stand securely grabs your phone. Still worrying about the crash of the mobile phone and the lack of electricity in the mobile phone during the trip, this navigation + charging integrated instrument solves your 2 big troubles at one time, makes your journey relaxed, loves to shoot, loves to walk and is not afraid because of the road bumps Losing your mobile phone is not afraid of taking pictures because of the beautiful scenery and no electricity. Choose it to surprise you, and it's quick and easy.