Freeze or cool food and drinks on the go without ice in this high-performance cooler. You can even transfer seamlessly from your vehicle to indoors, with the adapters included. Wireless temperature control with the free Koolatron smartphone application High-performance compressor technology Rapid cooldown from 32°C to -6°C in under 30 minutes 12 V DC and 110 V AC adapters included 40-L capacity Koolatron 40-L Grey Insulated Personal Cooler