Automatic Sensor Touchless Bathroom Sink Faucet with Hole Cover Plate Feature: Touchless, Infrared sensor faucet Water saving:water out automatically when you put your hands under the induction zone,water stops when put your hands back.You don't have to touch the handle and turn off after washing your hands. Convenient and clean.Temperature adjustable: Cold and hot hose, temperature mixer are included.You can adjust water temperature by the temperature mixer as per your preference. What’s in the box？ 1x faucet body with deck plate (cover deck holes)1x control box1x water mixer valve,brass with check valve2x 1/2-3/8 water supply pipe, with red and blue mark(red one for cold water, blue one for cold water)1x 1/2-1/2 water pipe (for mixing water)4x mounting screws (fix control box on the wall)1x instruction paper Details Low Battery Indicator When the power consumption is less than 10%, the sensor light will flash and remind you to prepare or change new battery in time. Don't worry ! As long as the valve of the control box is open, sensor sink faucet can be used as normal as the ordinary faucet. Easy Operation Sink faucet is suitable for single-hole sink or 3-hole sink for easy installation. Touchless bathroom faucet is equipped with a deck plate can be mounted in a single-hole sink or 3-hole sink fitting most of family bathroom. AC/DC Powered Double-function: Sensor powered by 4pcs AA Batteries (NOT included). Or you could choose to use the plug-in power. Faucet Aerator The faucet aerator with soft water flow,no splash,water saving. Maximum lime resistance No need to disassemble the aerator for cleaning Perfect stream quality Very low noise level.