Check the listing for details. Technical Concepts TC AutoFaucet with Surround Sensor Technology - Milano Chrome. Condition: New – Open box. Listed at 299.00 USD. This is model 500483 which has been replaced by Model: RUBBI 1782742 Auto Faucet SST sets the standard for reliability and user-friendly performance in automated faucet systems with patented Surround Sensor Technology. World-Class Reliability... breakthrough "surround sensor" technology (no infrared) senses user from any angle, patented cam gear technology controls water flow and eliminates sticking solenoid valves that cause dripping -- trouble-free operation.Only products featuring Radius™ Technology apply proprietary "smart chip" microprocessors, state-of-the-art sensors, and exclusive cam gear "dry" componentry. Radius™ also incorporates proprietary non-stall technology providing the longest battery life and innovative delivery systems. Additionally, Radius™ ensures breakthrough installation simplicity without the need for specialized tools or prior adaptation capability.Radius™ delivers Cost Saving Reliability, Simplicity and Longevity.