- SOS / 911 function notifies emergency services of your GPS location in the event of a critical or life-threatening emergency -Notify personal contacts that you’re in need of help in non-life-threatening emergencies with the Help button -After an adventure, send out an standard OK or custom message to up to 10 pre-determine contacts using the Check-in / OK button that shoots a message and GPS coordinates via an email or sms message -Real-time tracking on Google Maps or Spot Assist to notify professional rescue service providers sold separately through SPOT online account in addition to Basic SPOT service plans -Help button can also be programmed to include additional, separately purchased SPOT services