How to Install: 1. Screw the water timer on water top 2. Fix the garden hose to another side of water timer 3. Press the lock button once so as to secure the hose connection How to program: Simply select your run time The dials can be turned clockwise How to set: Turn the dial to ‘MUNUAL ON’ and water will flow from the selcted outlet To set your run time, turn the dial to the required watering time. Select 5,10,20,25,30,35,40…120 minutes for normal garden watering. When time expires, the water shuts off automatically.