CAN O2 Wideband Controller Kit by Haltech Smaller, lighter and water-proof! The new Haltech Wideband Controller can now be safely fitted inside your engine bay Features Single Channel CAN Wideband Controller 4 ft (1.2M) Benefits Accurately monitor the Air/Fuel Ratio (AFR) of an engine Please Note: The ideal CAN expansion accessory for all Elite Series ECUs. Applications Universal What’s In The Box? 1 – Single Channel 1 – CAN Wideband Controller 1 – 4.9LSU Sensor 1 – CAN Cable (4’/1200mm) 1 – Power Supply Cable 1 – Weld-on Bung 1 – Quick Start Guide References Installation Instructions Warranty Haltech Limited Warranty