Front 2 Door Semi Automatic Drive Set, One Touch Operation, High Performance & Long Life, Robust Design, OEM Fitment, Noise Free, Available for more then 50 different car Models. Power window is a semi-automatic windows which can be raised and lowered by pressing a button switch, as opposed to using a hand-turned crank handle. Many automotive manufactures use them for power windows, seats etc. Power window is a semi-automatic windows which can be raised and lowered by pressing a button switch, as opposed to using a hand-turned crank handle. Many automotive manufactures use them for power windows, seats etc.