Meet the Samsung SmartThings GPS Tracker: a handy device that lets you track GPS location on demand to keep an eye on your loved ones or valuable items. It is IP68 water resistant and provides you with protection from splashing and severe weather. With LTE, you can see the location of the tracker anywhere within the range of a cellular network.
The battery lasts up to 10 days. The companion app sends you minute-by-minute location updates. Sets you back under $100 at this time.