Description: Even though in an environment of -20 degrees Celsius to 80 degrees Celsius, the car charger is available due to its ABS material that is is resistant to high and low temperature and flame more→retardant. You can charge two devices simultaneously by using the car charger with dual USB design. The car charger has waterproof cover, it can prevent from water and dust when you don't use it . It is made of ABS material, and it is durable and anti-corrosive. The total length of the product is 5.3cm, the diameter of its head part is 3.7cm, and the diameter of hole-cutting position is 2.9cm. It can be installed on cars, motorcycles, ATVs, RVs, SUVs, boats, yachts, and other transportation