Features: The charger socket is made of environment-friendly ABS material, high temperature resistant, low temperature resistant, and also has anti-flame-retardant properties. It can work in an enviro more→nment of -20 celsius - 80 celsius . Quick charge 3.0 dual USB car charger DIY kit fit for DC 12V - 24V car, boat, yacht, ship, ATV, RV, etc. This charger socket is suitable for charging cellphones, tablets, power banks, and other equipment with USB interfaces. Black shell, blue light and white circle design, plus fine workmanship, the whole charger socket looks high-end. The blue light can help you check whether the circuit is connected successfully, and easily find the charging port in a dark