Watering Timer - Two-Dial Hose End TimerIncrease Efficiency with Watering Timers Simple and reliable, this battery operated controller and timer help to streamline your irrigation needs. This kits runs a higher flow rate at lower inlet pressures. The timer has up to four start times per day with a two minute to four hour programming duration and an operating flow range of . 1 to 6. 3 gallons per minute for use in a wide range of applications, including drip irrigation or micro sprinkler