welcome to my store , Hope you have a pleasant shopping trip! Features:1. The charger will certainly be hot during use, in the normal room temperature does not exceed 60 degrees are normal phenomenon2. When the charger overcurrent, over-stable, short-circuit protection will stop working.3. Please do not strongly hit this product.4. Do not immerse this product in water.5. Do not transform or decompose this product.6. Avoid charging in high temperature or sunny place, high temperature will affect the charging effect.Specifications:Digital display: voltage monitoring, charging currentNumber of ports: 4 (3*3.1A+66W)Input: DC12V~24VOutput USB1:DC5.0V/3.1AOutput USB2:DC5.0V/3.1AOutput USB3:DC5.0V/3.1AOutput USB4 (66W):DC5.0V/3.6A, 9V/2.5A, 12V/2A, 10V/4A, 11V/6APackage List:1 X Cigarette Lighter AdapterNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. Exquisite Workmanship: The use of aluminum alloy materials and shell streamline design by CNC processing, polishing, sandblasting, oxidation and other 18 processes. Easy to Use: With LED display car battery voltage, real-time monitoring of battery voltage, keep track of the car's health status, 4USB interface power supply at the same time. Safe and Secure: 5 layers of circuit protection with high performance main control phone-chip, safer to use. Built-in management chip, intelligent shunt fast charging does not hurt the machine. Widely Used: Metal elastic contact design, adaptable to different sizes of cigarette lighter, can carry 12V/24V wide voltage input, compatible with most models on the market. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. See more product details Exquisite Workmanship: The use of aluminum alloy materials and shell streamline design by CNC processing, polishing, sandblasting, oxidation and other 18 processes. Easy to Use: With LED display car battery voltage, real-time monitoring of battery voltage, keep track of the car's health status, 4USB interface power supply at the same time. Safe and Secure: 5 layers of circuit protection with high performance main control phone-chip, safer to use. Built-in management chip, intelligent shunt fast charging does not hurt the machine. Widely Used: Metal elastic contact design, adaptable to different sizes of cigarette lighter, can carry 12V/24V wide voltage input, compatible with most models on the market. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.