1.The infrared steering remote control is designed specially to keep you enjoy music, at the same time protect your safety when driving. 2.You can copy function of other common remote control which you use in car to this steering remote control and then install it to your car steering wheel, so it can be used instead of your common remote control. 3.The steering remote control applies to car CD, car DVD, car GPS, car MP3, and other car electronic products.. 4.Simple installation applies to various car. 5. Applies to control various car CD/VCD/DVD or other car electronic products with remote control. 6. Built-in high compatibility chip, can copy over 95% infrared format on existing market. 7. EEPROM technology which can be erased over 100,000 times repeatedly, can copy function of various remote control easily. 8. Built-in high capacity memory and up to 10 copy buttons, enough to meet common function of remote control in car. 9. Simple and easy copy opreration, high correct ratio for copy. 10. Copied function can be saved permanently if not erase it manually. 11. Power supply by 3V button battery, power consumption is very low.