GOOLOO GP37-Plus is a multi-function car jump starter with a powerful 18000mAh/66.6Wh capacity and a peak current of 800A. It can jump-start vehicles with gas engines up to 7L or diesel engines up to 5.5L. The device also features a built-in LED flashlight with three lighting modes: flashlight, strobe light, and SOS signal flash. Additionally, the GP37-Plus can charge other devices via its USB output port, making it a versatile tool for both emergencies and everyday use.