Feature: 1. The latest 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 calls, and you can add subtitles, bring much . 4. All main functions can be customized to set functions, a of 6 buttons can be customized to set functions. 5. driving safety, easy to install, no complicated tools required, save your precious time and effort. Specification: Condition: Item Type: Steering Wheel Button Installation 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. as accessory/ switch B. GND wire as black ground C. 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 wire to this line. : plastic Color as shown Package Contents: 1 x Steering Wheel Control Button 1 x Controller 4 x Installation Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.