1.Easy fit! Save installation cost 2.integrated into car CANBUS, increased reliability 3.Use car OE remote, OE horn, OE light Window closer/window closing and opening function for Audi A4/A5/Q5(2007-2012 ) Unique Selling Points: Easy fit! Save installation cost!*Integrated into car CANBUS, increased reliabilityUse car OE remote, OE horn, OE lights!Built-in G-Sensor, increased stability Small and ...