Features: Charging two devices simultaneously with this high speed 3.1A double USB Car Chargers, for 12-24V vehicles including motorcycles, cars, boats, ATVs, and campers for versatile power on the go. Engineered with a slide lid design for dust protections and PC housing, it delivers 18W total output with multi protections circuits against over current, short circuit, and overheating. Designed for driver, motorcyclists, marine enthusiasts, and outdoor adventurers requiring double port charging during road trips, marine expeditions, or off road journeys. Effortlessly integrates into 12 24V power systems of cars, caravans, UTVs, or boats, providing compact USB charging access for phones, tablets, and devices in tight spaces. Includes screws for secure mounting on vibrations prone surfaces like motorbike handlebars or boat dashboards, ensuring stable performances in extreme temperatures ( 20°C to 60°C). Specifications: Component: PC Input: 12V-24V Output: 5V 3.1A Total output power: 18W Size: about. 46x64mm/1.81x2.51in Light Color: Blue/White/Green/Red Package Includes: 1pc Car Charging Adapter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.