Even if you don't have an in-ground sprinkler system, you can still automate your watering schedule. Connect your hose to this timer, and you'll be able to water your yard on your specified schedule, even if you forget or are on vacation. The 2-Dial Hose Faucet Timer connects easily using snap connectors and offers a wide variety of watering times and days. The Hose Faucet Timer is powered by three AA batteries, sold separately.# Timer # Instructions.Convert any outdoor faucet to automatic watering for lawns, gardens, or drip irrigation. No complicated programming is required with the Hose Faucet Timer simply set two dials for start time and watering duration. Water a single time or schedule watering at any of 10 watering interval options from every two hours to once per week; the watering duration can be set to any of eight watering duration options, from two to 120 minutes. The 2-Dial Hose Faucet Timer easily installs to a standard hose thread 3/4" FHT x MHT outdoor faucet. Manual watering is still possible without interrupting the watering schedule. If you prefer to program your hose timer in a location remote from the actual hose faucet, try the Hose Faucet Timer w/Remote, which can be operated from up to 25 feet away.