Fits all US Standard plumbing.Uses 4AA Alkaline Batteries (purchase separately).Water Pressure: 0.5 - 7.0 KGS/cm, 10-125 psi. With its micro-computer controlling its action, the motion sensor faucet can self adjust its best detection zone as per the color and shape of lavatory!Sensor Faucet finish is polished chrome, with built-in Infrared AI Smart-Chip No Water Dripping Design 100% Touch-free operation. Reduces the transfer of germs by preventing cross-contamination and re-contamination of germs and bacteria by not touching the faucets or handles.Cut down on water usage by minimizing waste of water by eliminating unnecessary or unattended water flow.