1.upright freezer with DC compressor, input voltage 12V or 24V. input power 72W. 2.total capacity 142 litres, top freezer and bottom fridge. 3.temperature adjustment by mechanical thermostat.4.automatic turn-off when low voltage5.Insulation: CFC-free polyurethane foam6.anti-discharge battery protect.7. Loading quantity: 184pcs/40HQ8. MOQ: 184pcs9: Carton dimension: 615*555*1380(mm)10: Accessory: AC/DC adaptor(optional, only used when connecting with AC power)