With a small YMYNY faucet sensor, it is possible to have both hands free while achieving the three main energy-saving properties of water, comfort, and sustainability. Why choose YMYNY water-saving sensors? Water-saving properties to achieve water-saving efficiency level 1 Non-toxic + lead-free design Bubbler with air injection technology protected by six patents Safe and reliable + Extra-long battery life Crystal Diamond chrome multi-layer coating, high surface resistance, scratch-resistant 0.1 second fast sensing, smart and convenient, no need to touch the faucet and avoid bacterial cross-contamination. Frequent opening and closing of the faucet is a thing of the past, making kitchen life easier. Two water delivery modes with a 0.1 second response time to avoid unnecessary waste. Faucet Water Saver: Built-in flow switch design for quick response to water volume changes, saves water usage time while limiting water flow. 0.07 l/s at 1 bar water pressure, saves a lot of water. Overflow