1. 1440 Rotating Mixer. The updated 1440 robotic hand-held mixer extension has 4 joints, and each joint can rotate or bend flexibly by 360, so every corner of the sink is easy to clean. You just need to rotate the faucet in the desired direction, and the telescopic handle can extend up to 5 cm, which is especially suitable for children and the elderly. 2. Two Water Flow Modes. There are two different water outlet modes (shower mode and bubble mode). You can change the water flow mode just by rotating the nozzle. In the shower mode, the water pressure is strong, which is suitable for washing dishes, cleaning the sink, etc. 3. High - Quality Materials. The main body of this faucet aerator is made of high - quality copper, which is not easy to breed bacteria and is wear - resistant. The surface is chrome - plated, so it is not easy to rust, remains shiny as new, and is durable. The faucet extension has four layers of filtration, which can remove impurities and make it more hygienic and healthy. 4. Compatible Sizes. This multifunctional rotating and telescopic faucet is compatible with most faucets. Product diameter: 24mm external thread, suitable for washbasin faucets. 22mm internal thread, suitable for elbow faucets. It comes with 3 seals for better sealing. Please choose the appropriate seal according to the type of faucet to be sealed. Note: Please check the size of the faucet before purchasing. 5. Easy to Install. This water - saving filter is very easy to install. Our product comes with a wrench for easy disassembly and installation, so you don't have to worry about the installation problem.