DURAGADGET Exclusive Personal GPS Tracker & Real-Time Outdoor Locator with SOS, Live Updates with Google Maps Route Software & Built-In Microphone For Keeping Track of Elderly Patients / Family Members / Dementia Patients World's smallest, battery-powered personal tracker on the market with powerful location monitoring and an extremely high technical specification Fast GPS location return on texting the device or the option for 3-second signals sent to provide a full route - both of which provide exact locations to Google Maps Opt to set a GeoFence boundary on the device that returns a prompt text with a GPS location when the device has left your determined 'safe zone' Built-in microphone for silent listening - tracker is 100% waterproof (tried and tested) REQUIRES: An activated GiffGaff SIM card - NOT supplied with tracker