If you're venturing off the grid, this small, rugged satellite communicator1 goes beyond the limits of cellular networks to keep friends and family in reach with global two-way text messaging.You can still connect to the ones who matter, even when there's no cellphone coverage.Pair your inReach device with the Garmin Messenger app on your compatible smartphone to text via satellite or cellular networks. Need emergency assistance? Send an interactive SOS to our coordination center.When you need to be sure, the on-device display confirms that your message has been sent. Use preset messages to easily check in with contacts as you travel. Stay on your adventures longer with up to 28 days of battery life between recharges.In the Box:Battery life