Features: The button lights white for approximately 4 seconds Powered by built-in battery, the power consumption is extremely low. The controller is universal, uitable for all car Andrews DVD player and suitable for all 2 din car DVD player It can support 10 buttons to work to meet the common operational needs of the car. You can set the function of each button arbitrarily. Super tactile design, occupying a small space, the side buttons will not cause operation errors due to steering steering. The integrated curved design is perfectly compatible with various steering wheels and has no adverse effect on the steering wheel cover. Flexible installation on the steering wheel according to your preference, the controller is easy to use and helps to ensure driving safety. Specifications: Colour: Black Material: ABS+PC Size: As the picture Package included: 1 x Wireless Steering Wheel Remote Control 1 x Host box 1 x Wire