The KS121 is a compact, powerful, and safe USB charger for motorcycles, compatible with tubular handlebars with a diameter of 22 to 25.4 mm.Multiple protection functions:Equipped with integrated safety systems, the charger protects against overvoltage, undervoltage, output short circuit, reverse polarity, and internal chip overheating, ensuring stable and reliable operation in any condition.Dual A + C fast charging:With a 30W USB-C port and an 18W USB-A port, it allows you to charge two devices simultaneously, quickly and efficiently, even while riding.Durable advanced ABS material:Made of high-strength ABS, durable and scratch-resistant.