Haltech WB1 - Single Channel CAN O2 Wideband Controller Kit, HT-159976Smaller, lighter and water proof! The new Haltech Wideband Controller can now be safely fitted inside your engine bay but that's not all Included in Haltech Single Channel CAN Wideband Kit (HT 159976) 1 x Single Channel CAN Wideband Controller WB1 1 x CAN Cable DTM 4 to DTM 4 (1200mm) 1 x DTM 4 Power Supply Cable 1 x Wideband Sensor Bosch LSU 4. 9 1 x Weldable fitting bung Quick Start Guide Included in Haltech Dual Channel CAN Wideband Kit (HT 159986)