AdBlue OBD2 device designed for use with trucks equipped with EURO 4/5/6 emission systems. This diagnostic tool connects via the OBD2 port and is intended for vehicle system testing and troubleshooting. It allows temporary simulation of AdBlue system functionality for diagnostic purposes. Key features: - Easy to install by connecting to the OBD2 port - Designed to assist in diagnosing NOx sensor and SCR system performance - Does not permanently alter vehicle settings - Can be removed at any time to restore original system operation - Compatible with select truck models including IVECO, Mercedes-Benz, Volvo, DAF, Renault, Ford, MAN, and Scania Package includes: 1 x OBD2 interface device 1 x User manual in English Note: This product is intended for diagnostic use only. The use of diesel exhaust fluid (DEF) is recommended to support proper emissions control in accordance with environmental regulations. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.