Product information model: 10 key touch long bright square control Model: With Android wiring Lamp: Press any key to turn on the backlight. Adaptation: Android Navigation Transmission method: high-frequency encrypted signal+receiver Working voltage: 12V for cars -24V for trucks Material: Rubber comfortable and soft material Size: 12.3 * 3.3 * 4.7CM Installation: Non destructive installation on the card, can be installed in any steering wheel position, and can be applied more No need to stick: prevent warping, deformation, and detachment of the stick under high and low temperatures No need for holes: non-destructive installation is convenient and fast, without damaging the original steering wheel The backlight color is blue. This module has 5 wires, The green (ANT) antenna is not connected to anything Red (ACC) connected to DVD navigation ACC power cable Black (GND) connected to DVD navigation cable White (Kay1/2) to DVD navigation side control harness (AD1/2, SW1/2) Note: If there is only Kay 2, then both white wires of the module are twisted with the radio. Business scope: automobiles, vans, vans, electric vehicles, large screens, small screens, general machine navigation The package includes: 1 steering wheel control device 1 Android seat belt 1 charger 1 USB harness