【Product Features】 1.Spring-Loaded Dust Cover No Need to Drill Large Holes + Dustproof ,Nylon housing has effective scratch resistance and this product also design has Dustproof cap, this cap effectively protects the charger against sudden water splashes and dustproof. 2.Equipment Compatibility Universally suitable for most 12V/24V Vehicles, Cars, Motorcycles, Boats, RV. Input: 12V-24V, Output: 5V 3.1A, the blue light is always on when power is on.Wide Compatibility Charge all your Android IOS devices. Car charger adapter charges your mobile device at the maximum charging speed your device supports. 【Installation Note】 1. Turn off the engine. 2. Drill, fix the main body with screws, and cover the dust lid 3. Connect the wire (red for positive pole and black for negative pole). 【Product installation】 1. Select the installation position of the car charger to open the hole or keep the installation position. 2. Disassemble the board, install the car charger, and tighten the nut to fix it. 3. The positive electrode (red line) of the car charger is connected to the fresh-keeping box of electric power; The negative electrode (black line) is afraid 4. Connect the positive and negative poles of the car charger and fix the position of the car charger. 【Product Specifications】 Manufacture Country:China Material: PC+ABS Input voltage:12V-24V 【Packaging Contents】 car socket *1 NOTE: ①Images on this page are for illustration only and due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! ②Please allow 1-3cm measuring deviation due to manual measurement.