RunFine RF412002 Group Patented Design Hands Free Sensor 8 inch Deck Kitchen Faucet with Brushed Nickel Finish,2 Function Spray Head, neoperl Aerator,and Ceramic Cartridge with Single Handle hot and Cold Mixer Quality you can trust: certified to IAPMO ASME a112.18.1/CSA B125.1 and all Applicable requirements referenced therein including NSF 61/9G & 372 Advanced function: combination of physical function, motion sense function and pull-down sense function, auto-shutoff function, and isolated water flow control function on spray head Easy installation: one integral control box which is waterproof contains battery pack and with patented quick connection on it makes the sensor faucet very easy to install and uninstall (4AA battery not included), designed to be installed through 1 or 3 holes (deck plate included whole installation is less than 30 minutes Convenient operation: change the faucet between a sensor one or an ordinary one at any time you need. 360 degree pull out swivel spout designed convenient for daily use Easy to maintenance-clean and with a Damp non-abrasive sponge and wipe it with a clean soft cloth