Product Description: Feature: - Widely used f power supply of electrical equipment: car, GPS, mobile phone, camera, mp3 - USB socket 5V up to 2.1A,18W Output Power . - With voltage display, the LED display shows the car battery voltage in real-time. - With a ON or OFF Button, one key to take power, get off the car turn off the power. - Sht circuit or overheat protection. - Waterproof protective cover USB cover. - Multifunctional product with Green LED indicat light, perfect f travel use. - Water dust-resistant materials are available f interi exteri applications. - Can be installed vertically, hizontally, under the dashboard, on any flat surface. - Optimized f iPad, iPhone iPod - Fast charging at full speed (2.1 amp f iPad, 1 amp f iPhone or iPod). - Wks with all USB charging mobile phones other electronic products. Running multiple accessies at once is very convenient easy to use. Specification: Input: 12V-24V Output: 5V 4.2A Output:18Wand18W=36W Colour: Black LED light col: Blue Material: ABSandmetal Weight: 30g Single size: 3828mm Notes: Check in advance the maximum voltage of the device to be charged. Be sure to cover the socket when not in use to prevent dust water from entering. This product is only suitable f 12 or 24V vehicles. Use only at the specified voltage. Do not operate this device while driving. Package Included: 1 x Dual USB Car Charger Adapter 1 x wire with 10A fuse 1 x Dual USB Car Charger Adapter