SPOT 2 Satellite GPS MessengerPart #: SPOT-2OIncludes all the same functionality as before - now in a smaller, more feature-rich form factor. 30% Smaller 30% Lighter Faster GPS AquisitionFeatures: Advanced GPS GPS aquisition light Custom message button Enhanced antenna performance Dedicated tracking button Improved tracking performance Safety covers over S.O.S. and Help buttons Replaceable button covers Illuminated buttons Message sent indicator light Includes armband case Recyclable packagingFeatures:SOS: Emergency assistance request sent with your GPS location to GEOS every 5 minutes until batteries die or until cancelledHelp/SPOT Assist: Request help from friends and family every 5 minutes for 1 hour. Up to 10 contacts - phone & emailCheck In: Lets contacts know where you are and that you"re okay. Attempts to send three messages to help ensure successful transmission. Up to 10 contacts - phone and email. Contacts will receive only 1 message.Custom Message: Creates custom non-urgent message to send to friends and familyTrack Progress: Acquires your GPS location every 10 minutes for 24 hours. Sends each location one time. Previous 2 track points sent with current track point helping ensure consistent recording of movements.Emergency Response Center: GEOS is operational 7 days/week, 365 days a year, operating out of Houston, TX (2 addl. backup locations)History Review: Review all Check In, Track Alert SOS, and Help locations via findmespot.com using Google maps for up to 30 days.Shared Page: You can share messages and locations with others via a personal shared page