Material: Stainless SteelBody Color: SilverSize:60(D)mmx55(H)mmTachometer unit: RPMVoltage: 12VMeasurement: 0-13，000RPM Feature: - Durable，high capacity and practical-Easy to install，the best replacement for your old Tachometer Wire connection: long Red light +long Black light -Short Black power/ignition lock +Short Green GroundShort Yellow engine signal line Fitment:Fir for most of the motorcyclePackage includes:1 X Motorcycle Tachometer