FEATURES Cellular and GPS Technology Working Together The technology packed inside the iTrack is both accurate and powerful. Using a combination of up to 32 satellite channels and cellular towers, it can deliver its location on demand within 10 feet. The only item you will need that is not included with the unit is an inexpensive, prepaid SIM card, which you can purchase from any number of places. No contracts or commitments. Global Compatibility Compatible with Global Quad-Band GSM 850/900/1800/1900 Mhz and GPRS TCP/UDP, encompassing most GSM cellular carriers worldwide. Longest Battery Life for its Size Its battery is capable of lasting up to 6 days on standby mode. Two batteries are included. Plus, it will automatically let you know when its battery is getting low by sending you a text message. Free Accessories In addition to an extra battery, it also comes with a waterproof case, magnetic mount, charging dock, and a wiring harness that helps you hard-wire it directly into your vehicle power, so you will never run out of power. Set Perimeters, Alerts, and Motion Activation Geo-Fencing, you can set a perimeter as large or small as you like, and be notified whenever the unit goes outside of it. You can request regular updates on its location at intervals anywhere from every 10 seconds to 4 hours. You can even set it to only send alerts when prompted by you. With motion activation built in, the device knows when it is moving. If you want to track a vehicle, you can set it to deliver reports every 10 seconds once it starts moving, and once it stops, it can automatically hibernate to save battery. SOS/Panic Button It is also equipped with a Panic or SOS button that sends your location every 5 seconds.