The Zoleo Two Way Satellite communicator is an Iridium based product that offers everything you need to stay connected and secure when venturing beyond mobile coverage. The Zoleo unit is small and compact but allows users to enjoy global messaging that follows you in and out of mobile network coverage, while doubling as a personal safety system you can count on worldwide. Simply connect the lightweight, durable Zoleo device with the free app on your phone or tablet to enjoy two-way global messaging and SOS alerting, check-in, AerisWeather forecasts, and the ability to share your GPS location among other features. It comes with a two-year warranty.