The Weathermatic E-SL1600 Euro Control Station shares the same specs as the SL1600 with the major difference being that the E-SL1600 is designed to work with European style power outlets. Weathermatic products are designed with efficiency in mind. The typical Â½-acre commercial property uses about one million gallons of landscape water per year. On average, properties exceed the landscape watering need by about 38% - or 380,000 gallons. Many properties overwater by as much as 60%.