This item has been discontinued and replaced by the Raindrip Digital Single Station Water Timer, part number: HGR673CT. Raindrip®'s single station battery-operated analog water timer is for 3/4 faucet/hose spigot hook-up. Large control knobs for easy set-up. Features adjustable frequency & run times. The pressure regulator has a 3/4 inlet & outlet. It maintains 15-20 PSI for circuits totalling up to 360 GPH. The adaptor connects 1/2 poly hose to a faucet or other 1/4 male hose thread. This garden hose electronic water timer has large control knobs for easy set up. Program any combination of frequency at 1, 2, 3, 4, 6, 8, 12, 24, 48, 72 or 168 hour(s) and run times of 1, 3, 5, 10, 15, 20, 30, 60 or 120 minute(s). Manual On/Off feature and built-in LED indicator when batteries are low. Works with traditional garden hoses. Inlet: 3/4 female hose thread swivel Outlet: 3/4 male hose thread Color: Green/Black Contents: Uses two AAA batteries (not included)