AdBlue OBD2 device for trucks with OBD2 connectivity. This device connects to the OBD2 port and is designed for use in vehicles equipped with EURO 4/5/6 emission systems. It is intended for diagnostic purposes and temporary use in cases where DEF refill is not immediately available. Key Features: 1. Easy installation simply plug into the OBD2 port and follow instructions. 2. Helps maintain engine performance without immediate access to DEF fluid. 3. Operates without causing dashboard warnings or diagnostic errors. 4. Designed to be non-invasive and does not alter factory settings permanently. 5. Reversible disconnect the device to restore original vehicle operation. Note: DEF (Diesel Exhaust Fluid) is required for normal operation of modern diesel engines to reduce NOx emissions. This device is not intended for bypassing emissions systems illegally or for prolonged use in place of DEF. Always comply with local regulations regarding emissions controls. Compatibility models available for select truck brands including IVECO, Mercedes-Benz, Volvo, DAF, Renault, Ford, MAN, and Scania. Package includes: 1 x OBD2 Interface Device 1 x User Manual in English