Orbit 62041 High Flow Metal Mechanical Watering Timer High-flow design allows 20 Percent more water flow than standard mechanical timers, helping you water your plants with much greater ease and efficiency Only metal mechanical timer on the market - built with heavy-duty metal materials for durability, strength and years of reliable watering Timed watering up to 120 minutes, with manual water override capability, to fit a wide variety of watering needs for your lawn, plants and gardens Oversized dial (colors may vary: red or green) with comfort grip for easy use and a large, ergonomic swivel for easy faucet attachment No batteries required - simply turn the dial to set the watering duration and let it go. Timer will stop watering after the set duration