High Quality Material Manufactured with 304 stainless steel housing and buid-in 304 stainless steel heating tube, Gogerstar faucets are long-lasting and durable.Multiple Security Protection Leakage protection, IPX4 waterproof, Dry heating protection, Water-electricity isolation, Auto power-off at inactive state, Over-temperature automatic power-off. We also offer one-year warranty and whole-life technical support.Digital Temperature Display A temperature sensor gives an accurate digital external reading of the current water temperature. Designed with digital display, the current temperature is clear at a glance, which is comfort and safe in daily use especiallyfor children.Hot and Cold Dual Use Temperature of hot water outflow depends on the water temperature from inlet as well as the volume of water flow. It's varied from 25 to 55 in general. Grip lever provides easy temperature control. Turn downward the lever, hot water outflow decreases and water temperature goes up. The smaller the water flow, the higher the temperature.Easy InstallationComing with multi-language user's manual, it's easy to install the faucet without plumbers.Video of installation guadiance is available. It can be installed above or under the sink. Please make sure the water pressure required(0.04-0.5MPa) and electricity socket(220V/UK plug adapter) in your house. The water connector size is 1/2". Fits both old style 1/2" hose connector and 3/8" water supply system(with adapters).Save Space, Save Engergy The in-built heating tube faucet provides instant hot water without the need for storing the hot water, meaning there is no requirements for tanks thus creating extra space within your home. On the other hand, the secret tothe success of the system is in the complete circuit link triggered by stable water pressure.The compact faucet is not under heating state when you turn on the cold water switch, so the system reduces heat loss with up to 2 to 4 times less heat losscompared to a traditional water heater appliance Saving you money and lowering CO2.