Operated Entirely by Hydropower; Strategic Location of Sensor at Tip of Spout for Instant Response Time; No Wiring; Easy Installation and Low-Cost Maintenance; Beautifully Designed for High Traffic Spaces, the Helix EcoPower Faucet Harnesses the Energy of Running Water to Power Itself; The Intuitive Smart Sensor Technology Accurately Detects the User for Rapid Water Disbursement; ADA Compliant; Lead-Free 9-1/2" H x 6-1/2" Clearance x 4-15/16" Reach, G1/2, 1 GPM at 80 PSI, Lead-Free, Polished Chrome, 1-Hole Installation, Vandal Resistant Aerator, Self-Generating, Hydropowered, Deck Mount, Bathroom Sink Faucet