Category: InstrumentsInstrument Category: TITType: K - Red and YellowCalibration: Scale 1650F @ 7.44 ΩWeight: 0.4Size: 3-1/8"Single or Dual?: DualThe best value in the industry backed by a generous 3-year warrantyDesigned for twin engine aircraft, providing a quick visual reference to TITCalibrated to true temperature and intended for use with 216″ leads (Can be calibrated for other lead lengths)Designed to provide temperature compensation for accurate readings year round, on the ground and at altitudeNo risk of malfunction during electrical failure—requires no external source of power for operationAll necessary mounting hardware includedAlcor instruments are designed, manufactured, and supported in the U.S.A.