This OBD Dongle support to code multiple car brand ambient light such as Audi / BMW / Volkswagon / Mercedes OBD Vehicle Upgrade Tool, it must use with Wechat app, please make sure you can register Wechat account before you purchase it

The product is to use with our ambient light only, please don’t buy it if you didn’t buy the ambient light, we won’t ship the OBD alone if you didn’t order together with ambient light！！！