The camera replaces an old reliable Yi action cam which blew up after about 3 years. It's basically the same with a new suit. It's a smaller package but offers pretty much the same features, at least that's what it tries to do. Problem: s:1 battery (included) lasts about 2.5 minutes on a charge. connection during operation. 3- WiFi access blocks the camera. There is no way to return to the main screen. All you get is a blue screen with a MAC address. All keys are frozen. The only way to solve this problem is to remove the battery and restart the camera... after that, the Wi-Fi connection to the phone becomes a frustrating action... So you have to close the application in the phone and close the Wi-Fi Turn off fi in phone, turn it back on, connect to camera wifi, run the app and hope for the best as it may take 1 to never more attempts to connect to your phone. Charger. It looks like... for about 3 minutes. Then it turns off quietly. 5-It does not work when the camera is connected to a power source and there is no battery. Same as #4 above...it stays on for about 3 minutes...then quietly turns off... Summary: The concept is good for the most part. However, their software architecture and execution is simply unacceptable. It gives the user an undue sense of uncertainty as to its performance or, in the case of this product, its lack of performance.