Watering your plants manually is a waste of time and uses a lot of extra water, according to Hsin Yuirs. Using the electronic water timer also saves the garden owner money on water bills. This easy to use electronic water timer with ball valve offers an economical solution to set up an ideal watering program. The user can select which days of the week the garden should be watered and chooses one or two watering sessions per day. A manual override setting is available. This device can be directly attached to a 1 or 3/4 inch tap. It has an LCD display, a low battery indicator – requires two AA batteries – and is fully weather-sealed. The filter is included. The water pressure range is from 0.5bar to 12bar. http://grow.imb2b.com/