Real-time positioning and precise positioning: real-time pointing, automatic display of position information (compatible with Android / iOS, web / WAP applications), real-time tracking, positioning in GPS / LBS mode, positioning accuracy up to 5-15 meters (GPS positioning). Electronic Fence (Geo-Fence): Set up a geofence for the tracker to restrict its movements within a district. The unit will give you an alarm when you enter or leave the district. 90 days Stand-by with 5000mAh lithium-iron battery, normal working mode can more than a week.IP58 waterproof, dustproof, shockproof design, no need to worry about rainy days. No Installation Required: The magnet is strong, the device can be installed quickly and stably. Just stick to any iron surface with strong magnets, install with your car for one second. When you receive our products, please feel free to contact us if you have any problems. Whatsapp: +8615200963282 The GPS has strong magnetism.If you need to connect the GPS to the bottom of the car via a magnet, it is recommended to make sure that the contact area between the GPS and the metal surface is large enough and does not fall due to vibrations while driving .. It is recommended to be placed in - the lower beam of the car or placed under the trunk or seat. Free APP and History: On SMS or APP or WEB (three months history) .Track the real time location of vehicles (cars, trucks, motorcycles etc.) ★ Note: GPS SIM need to have the traffic data and function Message & Call function.SUPPORT 2G network and PIN code cleared, Voicemail closed. (This GPS does not include a SIM card) .We suggest sim: Vodafone.Tim.Wind.Tre..Not recommended THINGS MOBILE.