The new uf18dsal 18v cordless fan compatible with the entire range of hitachi 18v slide li ion batteries from 15ah to 50ah industry first automatic swing function high and low mode with maximum wind speed of 190mmin up to 73 hours continuous run time low mode with bsl1850adjustable fan angle up to 45can be powered by 18v battery or ac adapter supplied folds up for easy transport switch off timer can be set to 1 2 or 4 hours battery not included the hitachi extended warranty scheme now includes