[Easily Switch Between Modes] - The kitchen sink sprayer has three functions: water flow, spray and pause.Simply press and release the button to switch from normal water flow to spraying.Continue to press the round button at the top to stop the flow of water. [Easy installation, no additional tools required] - Installing this pull-out faucet spout is very easy, just unscrew the original spout and screw it back. [ABS] - The kitchen faucet nozzle attachment is made of engineering grade ABS to ensure quality and durability.The 360° adapter is durable enough to fit your faucet setup perfectly. Quick installation: The package contains all necessary accessories and detailed instructions in English.You will also find an installation video in the product link.Assembly only takes a few minutes, no need to call a plumber If you have any questions, please do not hesitate to contact us, we will answer you