【實用交通運輸app】Anchor Drag Alarm (Anchor Guard)|最夯免費app-綠色工廠好玩App

Now you can relax! With this Anchor Drag Alarm you can relax on your boat while she stands guard and notifies you if your anchor is dragging.- No internet connection required.- We recommend using the app with the iPhone plugged in.- Possibility to adjust more range when the signal is poor.- Function "High accuracy GPS" for greater accuracy.Drag Alarm use the device's GPS antenna, not all iOS devices have this built-in antenna.Devices with GPS antenna:- iPhone 3GS- iPhone 4- iPhone 4S- iPhone 5- iPad Wifi + Cellular- Mini iPad Wifi + Cellular"Continued use of GPS running in the background can dramatically decrease battery life."Marinus, improving the maritime sector.