SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant ). OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C) INCLUDED: Sending Unit (1 pc), NBR Mounting Gasket (1 pc), 10-24 Hex Screws (5 pcs), Installation Instruction (1 pc) FOR USE IN: Diesel, Fuel, Gasoline, Water, OEM Replacement