Use to automate outdoor watering of two separate outdoor areas using only one hose faucet. The dual timer is easy to program using dials, with no confusing and complicated digital clock to figure out. Versatile dual station works with drip systems, garden hose, soaker hose and sprinklers. Set to water from 1 minute up to 2 hours. Timer has built in LED indicator to alert you when the batteries are low. Uses two AA battery.