Simple to fit vehicle roof vent for vans, bus, caravan etc. Dimensions – 300mm (w) x 520mm (h) x 230mm* (d) Voltage: 12v system: 10 Amps (24v system: 7.2 Amps) 12V version also available. Water Capacity: 8.5 Litres Water Temperature: 49°C Max Time to raise water temperature from 15 to 49 degrees: 32 minutes 12 months warranty. * Unit depth increases to 405mm when basin is down for use.