Industry-leading iceless cooling technology: This powerful thermoelectric cooler from Koolatron outperforms leading name-brand competitors in ice-retention tests, keeping ice frozen for THREE FULL DAYS when used as an unpowered ice chest. Just imagine how much cooling power it has when you plug it in! Advanced thermoelectric technology keeps contents cool to 36°F (22°C) below room temperature using less power than your vehicle's tail light. With its 24L capacity and compact footprint, it's the perfect cooler for day trippers, picnickers, and festival-goers. Designed for portability, it features a durable handle that locks into place to secure the lid and a convenient built-in cord storage compartment. You can easily keep your favorite drinks cold or safely transport perishable items like yogurt, cheese, milk, and meats, and with the optional AC adaptor (sold separately) you can seamlessly transition to indoors.