AutoMeter Auto Gage Mechanical Water Temperature Gauge - 2-1/16" 20193XSSK so any powered USB adapter

so any powered USB adapter up to 12V will work (phone and tablet chargers

Pull-down adjustment

36 in Tall

12 AN Male O-Ring Swivel to 12 AN Male O-Ring

AutoMeter Auto Gage Mechanical Water Temperature Gauge - 2-1/16" 20193XSSK so any powered USB adapterEngines don't like high water temperatures, Heat is the enemy of performance and reliability. Keep tabs on your temps with the most accurate, quickest responding water temperature gauge on the market. AutoMeter's advanced bourdon tube meter movement provides unparalleled performance in the most demanding applications. A 6' capillary tube and 1 2" NPT mounting nut are included. Allows Several Instruments To Be Mounted Clean And Uniform Look Clear