This Speakman S-9117-Ca Sensorflo Chrome Touchless Lavatory Faucet is a genuine Speakman faucet perfect for commercial or residential applications. This faucet is designed to be the most hygienic faucet out there with its motion sensor technology making this faucet hands free; this faucet?s sensor runs off of two 3 volt lithium batteries. Speakman gave the S-9117-Ca Sensorflo Chrome Touchless Lavatory Faucet an illustrious chrome finish so that this fixture would have a stunning silver shine that would coordinate with nearly any other fixture in your bathroom; this chrome finish also protects this faucets exposed metal parts from water damage and corrosion. Due to this faucets unique 12? high gooseneck design, and WaterSense Certification it has a crystal clear water flow of 0.5 Gallons per minute (Gpm). This fixture is also easy to install with a 1-1/8? Diameter faucet spout hole and a 1? temperature control gauge hole with a 4? deck plate. You can alter the temperature of this faucet with its mounted ADA compliant temperature control gauge. The ASME and CSA have tested this product and have found it to be compliant with their standards and regulations ensuring the buyer that this is a quality user friendly faucet. This Speakman S-9117-Ca Sensorflo Chrome Touchless Lavatory Faucet has the outstanding protection of the limited five year Speakman warranty.