[Universal]The steering wheel button is suitable for most DVD navigation with direction control function on the market., it provides extreme precision and accuracy control to your safety and bring you maximum during driving. [Improve safety]Using steering wheel controls can improve driving safety, you can avoid all these unnecessary movements, there is no need to move your eyes from the road or remove your hands from the steering wheel. [High-quality materials]The car steering wheel remote control is made of high-quality engineering plastics, and has passed safety and quality inspections. The buttons are comfortable, wear-resistant and durable. [Easy to use]The universal wireless car steering wheel controller is powered by a built-in battery and has extremely low power consumption. The battery can be used for about 1-2 years. It is easy to install and disassemble, does not require complicated tools, and is convenient to use. [The kit includes]It supports two choices of 5 buttons and 10 buttons, which can meet the general operating needs of the car. Condition: Item Type: Steering Wheel Remote Control Shape: Half Moon Battery: Built-in 2 x Button Battery (CR2032) Colour:black Material:ABS Size: Controller Button Size(L x W x H): . 10 x 4.4 x 3.5cm/3.9 x 1 .7 x 1.4in Receiver Box Size (L x W x H): . 4.3 x 3.7 x 1cm/1.7 x 1.45 x 0.45in Package Contents: 2 x Controller 1 x Receiver Box 1 x Connect Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.