The Libella EcoPower Faucet features a bold, modern design and is ADA compliant. Meeting the most rigorous water-saving standards, Libella also saves energy as it uses the flow of running water to power itself.0.5 GPM Flow-Control Single-hole mount Self adjusting faucet with control box and mounting hardware less supply lines Sensor faucet with aerated flow Hydropower Self-Generating system ADA Compliant With mixing valveAmbient Temperature: 32° - 104°F (0-40°C) Controller: 0.19gpc, 20 sec continuous Finish: Polished Chrome Humidity: Max. 90% RH Inlet Temperature Range: 39°F 4°C - 110°F 42°C Power Supply: EcoPower Sensor Detection Range: 5-1 8 - 7-7 8 (130 - 200mm) Style: Contemporary Modern Type: Single Hole Water Supply: G1 2 (1 2 NPSM compatible)