Are you tired of rolling your car window up & down every times you need to get some air. With this NEW UNIVERSAL POWER WINDOW KIT 4 DOOR LOCK 7 SWITCHES CONVERSION KIT. Problem Solved!! Now you can easily convert your hand roll car windows to power window with this conversion kit. This is an universal conversion kit which suitable for all compact 12V vehicles such as CAR or TRUCK, adding the luxury of having power windows. This conversion kit includes all necessary mounting hardware and wiring