This is an ACDC engineered, designed and hand built break-out-box for diagnosing any level I and II charger issue. Works with any 2011 and newer North American Plug-in Vehicle, Truck, Car, Motorcycle and more. Comes in a protective case, manual and web training. What this allows you to do is watch the communication and safety lines in real time with your scope. Also with a CAT III meter, carefully monitor the AC power to the EVSE and earth ground. The first generation Nissan Leaf has problems with Level II charging that you will need this “SEBOB” to fix and verify your work. Call 508 826 4546 to order or email from our contact page.