SIMPLY & CONVENIENCE OPERATION: Automatic sensor touch-free use, clean your hands without touching the faucet. Prevent cross-infection after washing hands. TEMPERATURE ADJUSTABLE: You can adjust water temperature with the temperature mixer according to your preference. Hot and cold hose, temperature mixer are included. Greenspring sensor faucet is a great option for families with kids who have difficulty reaching knobs or turning it on. EASY INSTALLATION: Detailed Instructions with Diagram Included. Comes with all necessary accessories for installation. Includes faucet mounting hardware, US standard fitting and cold/hot water supply lines. HIGH QUALITY & DURABLE: Chrome finished solid brass construction for reliability and long lasting performance. WATER & ENERGY SAVING: Water efficient faucet reduces overall water usage without sacrificing water pressure. Sensor powered by 4pcs AA Batteries, shall last approximately 7000 times or 2 years for daily home use.