The 5-piece Ring Alarm Security System is the perfect starter kit for condos, apartment or small homes up to 1,000 square feet. You simply plug in the Ring Base Station, connect your components and control it all with the keypad or from the Ring app. You can protect one window or door, add motion detection to one hallway or room and control it all from the Ring app. Includes a base station, keypad, 1 contact sensor, 1 motion detector and range extender.