Power Window System - Automatic Power Windows Closer (Rollup) for 2/4 windows Convert your alarm or remote central locking system to a total closure system that will automatically close the windows when the alarm is armed or remote lock Product Info: Window Closure Module for car alarm with central locking Window roll up automatically Compatible with car alarm system Will close 2, 3 or 4 electric windows Negative or positive trigger input Universal Trigger Output Auto-senses when the window is fully closed Safety System stops windows if you put pressure on the window during operation