Description: This irrigation sprinkler is easy installation,water saving, general use of tap water. Often use as high-speed rail, highway prefabricated board maintenance sprinkler. Features: Made of zinc alloy material, more durable. Easy installation,water saving, general use of tap water. Widely used in garden, balcony, villas, gardens, irrigation, watering and other places. It often used as high-speed rail, highway prefabricated board maintenance sprinkler. Can be used which require high atomization: Often use as high-speed rail, highway prefabricated board maintenance sprinkler. How To Adjust The Range And Angle Of Water Control: 1.We turn the automatic return control ring outward to pull up. At this time, the nozzle rotates at 360 degrees when it rotates; 2.To control the size of irrigation vegetation area, as long as the "automatic return control loop" down the dial, and then poke "limit ring" angle, you can adjust the range of sprinkler irrigation you want. 3.Adjust the control angle of nozzle, the nozzle in the sprinkler operation, under the impact of water gravity rocker and stainless steel spring back and forth in shock force, the formation of back and forth beat, resulting in work, this is the automatic rotating nozzle. 4.Nozzle operation, when the automatic rotation is adjusted to the control angle, the reversing pull rod and the return control rod are touched to the limit ring, and then rotate back quickly under the shock of the rocking arm. That's how the sprinklers work back and forth. Specification: Condition: 100% Brand New Material: Zinc Alloy + Copper Plating Color: As the picture shown Pressure: 150-350kpa Flow Rate: 0.84~1.62 m³/H Spraying Diameter: 10~18 Meters External Thread Interface Size: 1/2 Inch（20 mm）,3/4 Inch (25 mm) (Optional) Size(L*W):11.5 x 9 cm Face Towel Size: (L) x (W) 75 x 34 cm / 29.53 x 13.39 inch (appr.) Package Included: 1 x Irrigation Sprinkler (1/2" Or 3/4") Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures. .Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.