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. Wireless 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: Brand NewItem Type: Steering Wheel ButtonMaterial: ABS+PU Color: As picture shownBattery: Button Battery CR2025(Shipped without battery)Installation Instructions:1. Remove the DVD player and wire it.3. Then checking the note of each color line for the remote receiver:A. Red line as accessory/ switchB. GND wire as black groundC. KEY 1(Blue) KEY 2(White) 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..Package List:1 x Steering Wheel Control Button1 x Controller 4 x Installation Accessories