It is a swivel spray head with two spray modes and the nozzle can be adjusted 360. The package contains two models: long and short. Product packaging information: Packaging Details: 1 swivel hand shower with hose extension (long type). 1 pivoting hand shower with ball joint (short type). Product dimensions: 25 x 180mm (long type) / 25 x 80mm (short type). Product material: ABS + stainless steel. Product color: silver. About cleaning the nozzle. Since the water quality is different in different places, the service life of the sprinkler may vary. If scale deposits are affecting the sprayer head, you can remove the parts and place them in vinegar water for descaling. Some installation suggestions It is recommended to use a long aerator with hose in places where the water outlet is high such as kitchen beams. It is recommended to use a short aerator where the sink water outlet is weaker. Friendly reminder. When installing and tightening, be sure to place a rag or other product under the clamp. So that the main body of the Bubbler does not get scratched and does not affect its appearance. Due to the water pressure, the water normally flows for about a second when you turn off the faucet.