The UltraGROW UG-TR/D1/240 7-day digital programmable timer gives you ultimate control of your indoor growing. This 240-volt timer has a maximum wattage of 1725 watts. Featuring a one-minute minimum ON time, the digital timer has up to eight ON/OFF times per day, and even features a battery backup that keeps the timer from losing your set points after a power outage. Excellent for hydro systems, using this timer to control your grow systems not only adds convenience, but also encourages productive growth with consistent hours of light and water.