Isotherm Transportable cooling boxes, especially designed for rough marine conditionsThe TB 31 Travel Box is especially convenient for daily use, offering great capacities to store food and drinks on board. Designed to endure outdoor conditions and to withstand stress and environmental impacts. Compact and light design helps to optimize space. AC/DC powered.Product Advantages: Pull-out inner basket for easy access Very light and compact dimensions Internal light Electronic thermostat control to maximize energy savings New sturdy injection molded lid with integrated closing systemProduct Specifications: Big capacities to store food and drinks (1.4cu.ft.) External Dimensions: 17.5"H x 13.8"W x 23"D Internal Dimensions: 14"H x 10.6"W x 12.4"D Weight: 17kg Operation temperature: +50 to -0.4 degrees F 12/24 V Danfoss compressor