Specification: Fit For: Gas or Disel Engine for auto car truck marine Face Color:White Bezel Materials: Stainless Steel Indicating Range: 0-4000RPM Operating Voltage:9-32VDC Operating Current:≤100mA Operating Temperature:-30~+75 ℃ Storage Temperature:-40~+85 ℃ Install diameter: 85mm(3-3/8inch) Grade of protection :IP67 Package method :Neutral box Features: -100% Brand new and high quality. -Excellent anti-fogging performance. -316 Stainless steel bezel with curve glass. -Easy installation with multi-plug socket connection design. -White Ground Design With Red Backlight This tacho must be hooked up to the "W" terminal on vehicle alternator. It also works with speed sender,flying wheel, ECU ect. Package Included: 1xTachometer 1xWiring Harness 1x Instruction manual.
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