Zurn Chrome, Gooseneck, Kitchen Sink Faucet, Bathroom Sink Faucet, Manual Faucet Activation, 2.20 gpm Z871B4 XL Mount Type Recessed Mounted Single joystick handle two hole off centerset deck mount kitchen Single joystick handle two hole off centerset deck mount kitchen sink faucets have one handle that extends from the top of the faucet and looks like a joystick LED display indicates when to empty water tray and change HEPA filter for easy maintenance Two hole centerset deck mount faucets install onto sinks or counters that have two centered holes that are 4" apart when measured from center of hole to center of hole wristblade handles can be operated with the wrist