Models DMBR0001-30L, DMBR0003-40L, and DMBR0005-50L are black thermo absorption coolers with capacities of 30L, 40L, and 50L. Operating on 220-240V/12V with 60W power, they offer energy-efficient cooling (0.8 to 1.0 kWh/24h) and come in compact sizes perfect for versatile use.