The 37L capacity holds up to 48 cans or 4 x 1.5L bottles – versatile enough for group picnics, weekend adventures, and long road tripsEnergy efficient compressor allows for cooler optimization and adjustable temperature range of –7 F (-18C) to 68 F (20C)3-stage battery protection system monitors the vehicle battery draw and prevents drainingConnects to 12/24 V Car DC as well as 100-240 V Home AC; does not have an internal batteryDurable design with reinforced corners for added protection, stainless steel hinges, ABS folding handles, and robust removable lid