Specification:Name: 11 keys long bright square control car steering wheel remote controlMaterial: rubberSize: 12.3*3.3*4.7CMModel: High-end configuration (intelligent backlight)Lighting: backlight automatically light up at nightAdaptive: 98% of the modified navigation on the market can be usedTransmission mode: high-frequency encrypted signal + receiverWorking voltage: 12V car)-24V (truck)Battery: lithium batteryInstallation: Non-destructive mounting on the card, can be installed in any steering wheel position, can be applied moreNo need to paste: prevent the paste from warping, deforming and falling off under high and low temperaturesNo need to cut holes: non-destructive installation is quick and easy, will not damage the original steering wheelIncludes 2 batteries and a Micro USB cable for charging the remote control with batteries and charging the batteries separately.The module has 5 wires thatGreen (ANT) antenna is not connected to anythingRed (ACC) connects to the DVD navigation ACC power cableBlack (GND) connects to the DVD navigation cableWhite (Kay12) connects to DVD navigation side control harness (AD12, SW12)Note: If Kay 2 only, then both white wires of the module are twisted together with the radio.Business scope: car, van, van, electric car, large screen, small screen, universal machine navigationPackage Includes:1 * steering wheel controls1*Universal wiring harness1*USB harness