The TOTO Standard R AC Powered 0.5 GPM Touchless Bathroom Faucet, 20 Second Continuous Flow is ideal for high-traffic spaces, providing an elegant water conservation solution. The sensor is strategically positioned underneath the spout head to accurately sense the hands for touchless use. The 0.5 GPM 20 second continuous flow faucet uses only 0.17 gallons per cycle and is CEC and CALGreen compliant. The water will flow continuously for 20 seconds, preventing water waste from the faucet being left running. The ECO CAP aerating technology balances the amount of air bubbles in the water for a comfortable experience while saving water. Included items: spout, operating controller and mounting hardware included. Purchased separately: water supply line for G 1/2 inch connection. Requires 120V AC power supply.