High Efficiency Electronic Auto Turbo Charger Automatic Controller Loaded Speed 20000 RPM Maximum 300W Fit for 0.8-2.0L Electronic Throttle /pull Throttle Car There is a learning key. 2. Idle speed does not change, save. 3. Automatic throttle pedal acceleration. 4. Can change turbines' early stocks to delay intervention. 5. Power off automatically and do not need to learn again. 6. General use for electronic throttle/pull throttle. Installation first step: The turbine is fixedly mounted on the intake pipe (need to buy another reducer fitting to install). After the cable is connected, after 1 minute of driving, you can hear the motor will send wonderful music within 5 seconds after pressing the button for 1 second. Characters complete the settings! Install the second step: The next step is to feel the energy that the turbine brings to you. It's so simple! ! ! Throttle signal line method: Open the car power supply, can not pull out the throttle plug, use a multimeter voltage stalls, black test pencil ground, red meter pen throttle plug, there is a line when not stepping on the throttle when the voltage will be below 1 volt, step on the throttle in the end When the line is larger than 2 volts, the depth of the throttle changes in the range of 0.3 to 4.2 volts. This line is the throttle speed control line. After connecting the line, take the car for 1 minute, press the study button, and you're done!