Lavatory electronic faucet activated by an infrared sensor. Mixer to adjust water temperature. Powered by a 9V Transformer. Latching solenoid valve is located above deck inside the product. Filters included. Solid brass construction. Sensor range is adjustable manually and by remote control. Other sensor settings (sensor range, delay in, delay out and security time) can also be adjusted by remote control. Faucet will automatically shut off after being used for more than 90 seconds.