This is our version of the Banner Engineering DBQ5 electronic tester, the M12 to M8 adapter is included. We now have two different styles, 120Vac and rechargable modles. This sensor test box has been designed to test the functionality of inductive, magnetic field, capacitive and photoelectric sensors. The test box has clearly visible, illuminated LEDs indicating the switching status of the test box. Includes a free case!! This is our 120VAC version check our store for the rechargeable version