The LM-2 Duo Kit (Dual Wideband O2) includes the LM-2 meter, (2) Bosch wide-band oxygen sensors, (2) 8 ft sensor cables, cigarette-lighter power adapter, analog in/out cable, ODB-II/CAN interface cable, SD memory card, USB cable for PC connection, (2) weld-in bung and plug kits, and manual. Carrying Case also included!