This product is a replacement component suitable for withdrawable faucets, with the following characteristics: 1. Interface size: This nozzle is equipped with a G 1/2 interface, suitable for connecting flexible hoses to withdrawable faucets. Please note that the interface size is non NPT standard, approximately 1.3 centimeters. The outer diameter of the joint is 0.8 inches (20.5 millimeters). Before purchasing, please ensure that the size of your faucet connector matches it. 2. Function: The nozzle provides two modes - spray mode and charge flow mode. By pressing the button, users can easily switch between these two modes to meet different usage needs, such as flushing and filling. 3. Compatibility: Please note that this nozzle is not compatible with Moen's faucet. Please confirm your faucet brand and model when purchasing. 4. Easy installation: Users can easily install this nozzle without the need for special tools. The installation process involves unscrewing the old nozzle and removing it, then tightening the new nozzle. The packaging also includes rubber gaskets to ensure sealing. 5. Functionality and Fashion: This pull-out nozzle not only has complete functions, but also a stylish design. It can replace the damaged or clogged original nozzle that comes with the faucet, without the need to purchase the entire set of equipment, which is both cost-effective and convenient to use. Overall, this nozzle is a practical faucet replacement component, suitable for homes or commercial places that require different spraying modes. When purchasing, please ensure interface size and brand compatibility for smooth installation and use.