The Intelligent Sprinkler Water Conservation Controller This is the sprinkler timer that detects approaching rain 12 hours in advance and automatically postpones scheduled watering cycles. The SprinklerIQ is the easiest-to-use, most affordable and effective watering device. In 3 easy steps, you can input the day of the week, time, and duration of each watering using the five-button control panel and LCD and you can program the unit to water automatically, up to 2 cycles a day or just once a week. The device calculates how many gallons of water it saves and displays the amount on the LCD. The SprinklerIQ eliminates the need to check the forecast or pay weather subscription fees. Uses one 9-volt battery (not included). 6 1/3" H x 6 3/4" L x 4 1/3" W. (1 lb.)