Motorcycle Helmet Wiper Electric Car Portable Automatic Wiper Universal Car Wiper Repair Tool Trimmer Restorer Car Accessorie Description: Product Name: Helmet wiper Product color: white/yellow Scope of application: electric car helmets, motorcycle helmets Input voltage: 5V Charging duration: 2 hours Single weight: 162g Single package size: 14cm * 10cm * 7cm (length, width and height) Specifications: 1. Open the package, first charge (red light on when charging, light off when charging is complete) 2. Position the base product helmet panel is the center of the hole, fix the base 3. When it rains, insert the main part, according to the size of the rain to open the switch 4. The switch is set to slow gear, fast gear, stop Package Included: 1*Wiper 1*Installation tool 1*Charger