Commercial Award-Winning Infrared Faucet – Innovative Touchless Design for Bathroom Use, Anti-Erosion, Anti-Abrasion, and High Strength. Water-Saving Automatic Faucet with Infrared Sensor, Ideal for Public Restrooms, Hospitals, Office Buildings, and Commercial Facilities. Fits Standard US Plumbing, Uses 4AA Alkaline Batteries (sold separately), and Supports Water Pressure from 0.5 - 7.0 KGS/cm, 10-125 psi.