DIG BO9D 9V Battery Operated Digital Hose End Timer. The B09D 3/4” Digital Hose End Timer, one in DIG’s newest range of hose end timers, offers simplified programming and improved monitoring of battery power with less current, resulting in longer battery life with reliable operation. With higher flow rates at lower inlet pressures and a range of programming features, the B09D delivers a reliable and cost-effective solution for residential use. The timer has four start times per day with durations from 1 minute to 12 hours 59 minutes in an operating flow range of .5 to 6.3 gallons per minute, allowing use in a wide range of applications including drip irrigation or micro sprinkler systems connected to a garden hose or faucet/spigot. It uses one 9-volt alkaline battery that can last for over a year.