Features: <br> <br>NitroOBD2 is a plug&drive ready device to function the increasing the performance of engine. <br>NitroOBD2 chip tuning box works based on OBD2 protocols as remapping the car's computer ECU. <br>NitroOBD2 is easy to install. Just plug it into the OBD2 connector of cars. <br>EcoOBD2 is a plug&drive ready device to function the reducing fuel consumption. <br>Made from premium material, sturdy and available for long service life. <br> <br>Specification: <br>Condition: 100% Brand new <br>Material: Metal + plastic <br>Size: approx.5*2.5*3.5cm / 1.97*0.98*1.38in <br>Eco obd2: Low fuel consumption and low emissions <br>Blue one for: Diesel car <br>Green one for: Gasoline Vehicle <br>Nitro obd2: More power/torque <br>Red one for: Diesel car <br>Yellow one for: Gasoline car <br> <br>Package List: <br>1* OBD2 Chip Tuning Box Interface <br> <br>Notice: <br>Please allow slight error due to manual measurement and make sure you do not mind before ordering. <br>Please understand that colors may exist chromatic aberration as the different placement of pictures.<br>1、NitroOBD2 is a plug&drive ready device to function the increasing the performance of engine. <br>2、NitroOBD2 chip tuning box works based on OBD2 protocols as remapping the car's computer ECU. <br>3、NitroOBD2 is easy to install. Just plug it into the OBD2 connector of cars. <br>4、EcoOBD2 is a plug&drive ready device to function the reducing fuel consumption. <br>5、Made from premium material, sturdy and available for long service life. 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.