... (AC)3.Sensor distance:5- 25cm 1 . Water saving: water only flows out when your hands approach it , ... your hands draw back from sensing zone. besides, water will stop automatically after 30 seconds,too.2. Hygienic ... based on 300 times per day.4. Comfortable: water flows out at an angle of 45 degree, ... handle faucet, wash faucet,basin tap, basin mixer,water tap,bibcock;bathtub mixer,bath-shower mixer,shower ...