Why Smart Sprinkler Systems are Sexy - Top 5 Smart Sprinkler system 1 Rachio 8ZULW-C 3rd Generation Brand Rachio Material Plastic Style 8 Zone Controller Item Dimensions 9.1 x 1.4 x 5.6 inches (LxWxH) About this item (Rachio 3) Worry-Free Watering - Rachio watches the weather,...