Spot Gen 4 Satellite Tracker SOS Device

Custom message feature sends contacts a preprogrammed message with your GPS location Tracking feature saves and sends your location to contacts for tracking your progress through cloud-based mapping In an emergency, send an S.O.S. (button is covered to prevent accidental activation) with your GPS location to FocusPoint International, Inc. who coordinates search and rescue SPOT S.O.V. feature requests help with your GPS location to friends and family, as well as roadside assistance from professionals 24 hours a day Allows up to 1,250 check-in and custom messages on 4 AAA lithium batteries (included) Estimated battery life if tracking 24 hrs. per day: 26–52 days (60 min. tracking intervals); 8.5–17 days (10 min. intervals); 3.5–7 days (2.5 min. intervals) Estimated battery life if tracking 8 hrs. per day: 78–156 days (60 min. tracking intervals); 22.5–45 days (10 min. intervals); 10–20 days (2.5 min. intervals) Battery life varies based on how clear a view of the sky the device has, frequency of tracking intervals, extreme temperatures and other factors IPX8 rating means this is completely waterproof; it can withstand water submersion more than 1m deep for more than 30 min