Fapully Commercial Spring Pull Down Faucet Single Handle Kitchen Sink Faucet with 2 Function Sprayer,Brushed Nickel Ceramic Disc Cartridge Ensures Your Kitchen Faucet Will Stay Free of Drips and Leaks Contemporary Style Design,High-Arch Gooseneck Spout and 360-Degree Spout Rotation Offer Superior Clearance for Filling Pots and Cleaning Press Button Once to Switch to Spray Mode. Press It Again to Switch It Back to Stream. No Need to Hold the Button Pressed to Keep It in Spray Mode. Spray Lock Function EASY TO USE: Weve Equipped this Pull Down Spray Modern Kitchen Faucet with a Single Handle that Conveniently Controls Both Water Volume and Temperature. Youll Love the Smooth Swivel Action, Stress-Free pull down, and Secure Docking of the Faucet Pull Down Sprayer When Not in Use IF YOU DO NOT KNOW HOW TO INSTALL:please contact me,i will send video and installation instruction to you,it is easy do it,you don't need hire a plumber to install it