This product is a car jump starter with PD 100W fast charger. It can jump start cars and supports charging for most cell phones and tablets. 1. PD 100W Super-Fast Charging Supports 100W or 66W or 40W or 22.5W fast charging for laptops, car refrigerators, etc. 2. 3000A Peak Current Jump start big cars instantly even in low-temperature situations. 3. Low Consumption Mode Turn on the low consumption mode to save battery for emergencies. 4. Smart Clamp with Multiple Protections Smart clamp with reverse polarity protection and other circuit protections for overvoltage and overload. 5. With Compass Equipped with a simple compass, thoughtful and convenient. 6. Ambient Light Equipped with an LED light for emergency lighting needs in the night. Dimension: 17.8 cmx14.5 cmx 10.2 cm