Never forget to water your plants again. The Hose-End Digital Water Timer automates your drip system for worry-free watering. LCD backlit screen is easy to read day or night. Use Programming wheel to set days to water, start time, & how long to water; view activity log & what's up next. Delay button pauses watering; Now button adds manual watering. Push the Selection wheel to make changes, turn to scroll options, & push again to save selection. Timer emits a beep to confirm selection and also when watering starts and stops. Built for durability, treated with UV inhibitors, and is tamper-resistant; ready to start with preset schedule. View battery life on screen; when batteries run out, the unique water-saving feature shuts off valve to stop the flow of water.