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, logworks software cd, and quick-start guide. carrying case also included!