The Hozelock Auto Off Controller is a tap mounted watering controller that can be manually set for a period up to 120 minutes and will automatically switch off to help save water. It is easy to set up with its simple mechanical dial to set watering duration. The Auto Off Controller is a versatile unit that can be used with Garden Sprinklers (up to 10 bar) or low pressure micro irrigation watering (1.5 bar). It could also be useful when filling a pond or paddling pool, to avoid wasting water. No batteries required. Hozelock 2210 Auto Off-Controller in Yellow