Automatic & intelligent ------with a timer, you only need to press the buttons to set the irrigation time and it will water the plants on time Multi-functional LCD screen ------displays day of the week, hour, minute and programming time for easy reference; buttons for easy setting and re-setting Different watering time ------16 groups of watering time can be set per day at most; different programs for your demands special: single and multi program, regular and cycle, program of one day or several days Versatile use ------Suitable for the control of irrigation systems in the domestic sector, such as lawn sprinkler, sprinklers, greenhouse and more Battery powered ------only 2 AAA batteries required; not tethered to socket, you can use it any corner in your garden