Multifunction Steering Wheel Button Remote Control Navigation 2 Din DVD Controller Universal Feature: 1. The latest designs model, with beautiful and generous appearance, and has stable performance.2. Universal product, suitable for all car for Android DVD players, and suitable for all 2 din car DVD players.3. Wirele remote control player, allows you to answer calls, and you can add subtitles, bring much convenience for you.4. All main functions can be customized to set its functions, a total of 6 buttons can be customized to set functions.5. Improve driving safety, easy to install, no complicated tools required, save your precious time and effort. Specification: Condition: 100% Brand NewItem Type: Steering Wheel ButtonMaterial: ABS+PUColor: As picture shownInstallation Instructions:1. Unload the DVD player.2. Pls find the steering wheel key control plug and ground wire of the DVD player.3. Then checking the note of each color line for the remote receiver:A. Red line as acceory/ switchB. GND wire as black groundC. KEY 1(Blue) KEY 2(White)Find the original steering wheel control plug of the vehicle, and connect it to steering wheel control wire block. If the DVD player only have one steering wheel control wire, pls connect the blue & white wire to this line. 4. The orange wire and the gray wire are connected to the learning wire, the black wire is connected to CND, the red wire is connected to 12V, and only one control wire is connected to the orange wire and the gray wire. Battery:Button Battery CR2025(Shipped without battery) Package List: 1 x Steering Wheel Control Button 1 x Controller 4 x Installation Acceorie