... remote control 1. 4 buttons, 4 keys 2.Control rolling door, window,fireplace, security alarm system 3.Factory sell RF Remote SystemProducts Name4 Bottons Remote ... FCCFunctioncontrol roller curtain ,garage door, remote sensing ,fire place and wireless ... remote control , RF receiver control kit and IR multifunctional remote control; 4. New models according to customers requirements; 4 Buttons RF Remote ...