Consumer to operate this sensor fixed in the front of the holder instead of traditional sensor fixed in the front of the body. It makes the quite different operation experience with traditional faucet. The most eye-catching innovation feature of this faucet is locating its sensor window on faucet support which allow to turning by 300 degree for designated operation, so as to create the convenience that consumer could operate it from the front, side or back. The consumer only need to wave to turn on the water, wave again to turn off. The infrared sensor is powered by 4*AA batteries.