The Pope 2 Hour Tap Timer takes the worry out of watering. Simply push in the button under the dial while turning the dial to your selected watering time. Select watering time in 5 minute increments up to 2 hours, then the tap timer will shut off automatically when the set time has expired. The universal swivel tap nut can be fitted to either a 20mm or 25mm BSP tap. Suits tap based watering: Hose, sprinkler, drip and spray systems Up to 2 hours watering time in 5 minute increments Connects straight onto garden tap - suits 20mm and 20mm BSP taps Manual override for timer-less water flow Mechanical timer, no batteries required UV stabilised to withstand Australian conditions This product is not suitable for use: if your water pressure exceeds 1000kPa if you use a bore or unfiltered water if you use any kind of pump to draw water for commercial applications if it is likely to be subject to more than seasonal amounts of water (e.g. in the path of sprinkles or other emitters, or with a leaking tap).