With a GPS tracker you can follow the progress of your vehicle/property in realtime. The accompanying software enables you to track one or two units via a computer (Google Earth™) or SMS. The GPS unit communicates via GPRS and/or SMS and requires a SIM card with GPRS activated (pay-as-you-go cards work). The unit can be controlled remotely and programmed via SMS or computer. Perfect for using as a burglar alarm for your car, boat, motorbike, etc. The unit emits a warning (via SMS) if the battery is low or if the unit moves outside a given area or exceeds a certain speed. Built-in log that stores up to 54 000 positions. The travel log can be downloaded to a computer so that you may view the movements of the unit. Equipped with a Sirf Star III chip for optimum reception. Comes with 230 V charger, 12 V charger, belt holder, USB cable, software and battery. Size: 75x48x25 mm.