Easy to install to any outdoor faucet. Battery-operated automatic timer and valve combination. Set two dials for start time and watering duration. Effortlessly installable on any outdoor faucet. This battery-operated automatic timer and valve combination simplifies your watering routine. Featuring two user-friendly dials; easily set your preferred start time and watering duration. The large; easy-to-read dials provide convenience; offering ten watering interval options from every two hours to once per week for flexible and customizable watering schedules.