Green Thumb, Turbine Rotor Sprinkler Head, 4,000 SQFT Coverage, Fits Any 1/2" Standard Connection, Multi-Stream Nozzle Provides Even Coverage, Easily Adjusts To Cover A Full Or Partial Circle, Distance Control Deflector Slides to Desired Water Coverage Setting, Super Quiet Turbine Motor, Works At Water Pressure Ranging From 15 PSI To 150 PSI, Impact Resistant, Rustproof Polymer Construction.