ANCEL HD3100 is a high-end and new style heavy duty truck diagnostic scanner loaded with advanced functions, based on Internet application and Android system with a quad-core processor. Coverage for Most 12V/24V diesel powered truck, and set OE-Level diagnostic menu for 7 most popular truck brands in America. In addition, HD3100 is a 2 in 1 Truck&Car scan tool, not only supports full systems diagnoses on trucks, but also supports 10 OBDII test modes on the engine system. It is easily portable and gives quick access to vehicle information. Not bulky but lightweight, ideal to put it in the car and help you on the road. Built for mechanics, DIYers or any car enthusiast. Designed with user-friendly operational features, saving you much time and money in the long run. To ensure this device will work with various engines, it comes equipped with various 6pin, 9pin, and 16pin adapters.