A security system is coupled to a door lock system. A sensor is at a dwelling. The sensor is coupled to a drive shaft of a lock device to assist in locking and unlocking a lock of a lock device at a door. An engine, an energy source and a memory are coupled together. The engine is coupled to the sensor. The memory provides information relating to open or closed status of a door to a dwelling occupant or a third party designated by the dwelling occupant. At least one motion detection device is provided to detect a person at or near a door or window at the dwelling. A security system includes a video apparatus that captures video and coupled to the motion detection device to take a video of an image of the person or an outline of the person, wherein the video is configured to begin before motion detection begins.