Nelson Smart Watering Oscillating Sprinkler 50981 sprinkler reduces water usage by up to 25% Duo call motor technology reduces wind exposure Tri-channel spray tube with 18 precision flow spray jets for superior water distribution and coverage Slower oscillation speed maximizes water soak-in and minimizes water run-off Rectangular spray pattern up to 3,400 Ft2 (55 ft. x 62 ft.) Rectangular spray pattern up to 3,400 sq. ft Patent pending DUOCYLL motor technology reduces wind exposure up to 40 percent Tr-channel spray tube with 18 Precision Flow spray jets for superior water distribution and coverage Premium impact-resistant base Ergo metal swivel coupling