The wall plug AC adapter charger will automatically overwrite oldest files when the memory fills up, it will save a video files in per 5 minutes. Starts recording when charging,is able to record and charge your phone simultaneously. Control your lights from anywhere using the free "Lookcam" app for iOS and Android, no hub required . Easy Set Up and User Friendly: Records Full time or Motion detection, and then plug it into power socket, it will start working automatically. Easily connect to computer to watch what you have recorded.