WaterGreat SR1-12. An exclusive product that automatically provides exact water for up to 12 plants! No more constant hassle with timers and weather adjustments. SR1-12 is a self contained, solar powered watering system based on auto timing and soil moisture. Uses a commercial valve and a very easy user control. All filters, fittings, stakes, and pressure reducing valves are included. Two year limited warranty, with a 30 day No Risk Return for Any Reason Policy. We"ll even pay the return shipping and refund your entire purchase cost. Patent Pending design.