features 1Made of superior ABS and have a smooth and fine surface, which provides a good touch feeling, longlasting, abrasionresistant and not easy to crack. 2The multifunction button for steering wheel will glow when the car turn on the headlight, each time pressing the button, the button will glow 15s. 3The multifunction button for steering wheel adopts a 2.4G wireless connection, more fast and stable. 4The design is perfectly compatible with various steering wheels, simple and fast installation, sturdy and not easy to drop, and has no adverse effects. 5Flexibly installed on the steering wheel according to your preferences, which is easy to use and helps ensure driving safety.Item Type: MultiFunction Button for Steering WheelMaterial: ABSLength of Operation Button: Approx. 9.1cm/3.6inWidth of Operation Button: Approx. 3.2cm/1.3inBattery Type: CR2032Battery Capacity: 210mAhBattery Numbers: 4 (Delivered with Built-in Batteries)Fitment: Universal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Power Cord1 x Receiving Box2 x Operation Button1 x Instruction