The Doormatic revolutionizes opening doors. No drilling, no tools, no structural changes to door or door. Frame Automatically opens and closes internal doors. Easy “tool-free” installation with hook and loop fastener Battery operated. Simple “push” or “pull” activates the automatic door opener. Easy-to-read menu. Waiting time and speed can be preset Operates on many different surfaces. Comes with obstacle detection for added safety Add optional remote control (Model #850000165) for those who cannot push or pull door. Add an optional motion sensor (Model #850000128) for those who cannot push or pull door and cannot operate remote control. Door opens by breaking the beam (Can be preset).