ADD Steering Wheel Remote Control Wireless Vol Ch Mute Mode Button Universal

works with all brands of vehiclesworks with most brands of radios**touchscreen radio must have steering learn routinedoes not work with sony alpine kenwood jvc clarion or pioneerSteering Wheel Remote Control: Vol, Ch, Mute, Band, Mode, Gps, and Phone100% Brand NewQuantity: 1 Set left, rightMaterial: ABS, PCColor: BlackSize app: 10.3x3.5x3.5cmConversion:1cm=0.39inch /1 inch =2.54cmFeatures:-Uses radio frequency to transmit the signal from steering wheel to inside the dashboard where the connections to the radio are made-Not a cheap infrared solution (they don't work if the steering wheel is not straight, and they're not very reliable)-Easy installation and removal.-Built in replaceable batteries,  you can expect one year to two years of battery life depending on usage.-Works with most aftermarket touchscreen radios, radio must have steering learn routine.-This controller is wireless and universal, you don't need to remove the original steering wheel to make it work.-You can install 1 or both of the controllers to meet the needs / available features of your car stereo.-Simple touch design?Installs in a small space?Will not  interfere with any of your existing steering buttons or vehicle features.-Integrated arc design, perfectly compatible with a variety of car steering wheels.-Easy to use and install, keeps your hands on the steering wheel and eyes forward for safe driving.Installation Method:1. Remove the touchscreen car stereo.2. Find the steering wheel multi-function control line KEY1 , ACC line, and GROUND wire3.The receiver has a corresponding marking stickers ACC for automotive ignition wire, GND wire, KEY1, and KEY2 side control line, Please connect the corresponding line, if only your car stereo has only 1 SWC control wire please connect the receive box with both green and white wire connected to the single car stereo control wire, for receiving antenna yellow. Please install after straightened as close as possible to the steering wheel, away from car stereo location without attaching the wire to anything, do not ground this wire.4.Enter the car stereo settings, find the SWC learning routine section (steering wheel settings), press and hold the button to learn the corresponding function (see car stereo instructions for specific operations)