Garmin GTU 10 GPS Tracker (4 weeks standby, localization of animals and objects, waterproof IPX7, iPhone / Android app) (Electronics)
The device is, in principle, not bad, and work. The software for iPhone is also updated already 2 times within a month, is always better. The battery could certainly last longer, but the device is, after all, quite small. The thing is me most disturb