Features: The controller is universal, you can make it work without removing the original steering wheel control device. 10 buttons to meet the common operation of the car. Super for touch design, take up little space, side buttons, will not cause wrong operation due to steering. With LED backlight, the product is easy to install and remove. Built-in battery power supply, ultra-low power consumption, battery can be used for one to two years. Suitable for most markets with DVD navigation direction control function. Package Includes: 1 Set Car Steering Wheel Remote Control Specifications: Material: ABS Weight: 33g Size: As picture shows note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.