1. Black shell, blue light, coupled with fine workmanship, the whole product looks stylish and beautiful. 2. The input voltage of the product is 12-24V, and all boats and vehicles with 12-24V can be installed and used, so the scope of use is very wide. 3. The product is equipped with 2.4A USB, which can be used for powering cell phones, tablets, GPS, etc. 4. The product with voltmeter can detect the use condition of car battery at any time to prevent safety accidents caused by bad battery. 5. products with ammeter, at any time to detect the USB port output current situation. Product line length:147cm Input voltage:DC12-24V Output voltage:5V Output current:2.4A Measurable voltage:6-38V Measurable current:0-3A Working temperature:the lower limit is -20℃, the upper limit is 80℃ Waterproof level:IP65 Installation: handlebar mounting, screw fixing (two types of installation) Product use: can be used to power most car items such as cell phones, tablets, IPAD, navigation and GPS Scope of use: can be installed on DC12-24V cars, motorcycles, beach cars, SUVs, boats and other mobility tools Multiple protection functions: input overvoltage and undervoltage protection; output overcurrent, overvoltage, undervoltage and short circuit protection; overload protection; reverse connection protection; chip internal high temperature protection. Specification:B Due to different product batches, the appearance may vary, which does not affect the use. Colour:Black Material:Plastic Package Contents: 1 * Fast Charger Socket Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.