SAFE TO USE: Certified by CE & ROHS with overheating, overloading, and short-circuiting protection to ensure charging safety thanks to Built-in fuses and smart control chip. A waterproof and Dust-proof rubber USB cap better protects its internal circuit and enhances its lifespan effectively. SAVE POWER: Features a push-type button that is more stable on control than other's touch buttons, allows you to turn off the LED voltmeter display easily to save battery when not in use. CHARGE FASTER: Equipped with a high-quality Dual QC 3.0 12 volt USB outlet that helps charge two compatible devices simultaneously up to 4X faster than conventional charging. All METAL MATERIAL BODY: The car charger is sturdier than traditional plastic models, with better texture and better high-temperature resistance thanks to advanced aluminum alloy material. That is why it is safer than plastic chargers. COST EFFECTIVE: Get 2 * 12v USB outlet, 2* 60cm cable with 10A in-line fuse, 2* Panel( Gift), 4*Blue Terminal, and Depvko's lifetime technical support, and a five-year warranty for less money.