Self-Generating Hydropowered Ecopower System; No Minimum Daily Usage Requirement; Micro-Sensor Positioned Underneath the Spout Head for Accurate Hand Detection Ensuring Smooth and Consistent Water Distribution; Durable Chrome Plated Spout Body; Single Hole Mount; The Standard Ecopower Sensor Faucet Harnesses the Energy of Running Water to Power Itself; The Intuitive Smart Sensor Technology Accurately Detects the User for Rapid Water Disbursement; Strategic Location of Sensor at Tip of Spout for Instant Response Time; No Wiring; Easy Installation and Low Cost Maintenance; ADA Compliant; Lead-Free 4-1/2" H x 2-15/16" Clearance x 3-15/16" Reach, 0.5 GPM, Lead-Free, Polished Chrome, Standard Spout, Vandal Resistant, Self-Generating, Hydropowered, Deck Mount, Electronic Faucet with Thermostatic Mixing Valve and 20 Sec On-Demand 0.19 GPC Controller