Lavatory electronic faucet activated by an infrared sensor. Powered by an externally mounted 9V battery. Filter included. To be used with cold or premixed water. 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. Sensor features a low battery level indicator.