Precise and real-time positioning: real-time positioning, location information can be tracked on free APP (compatible with Android / iOS, Web / Wap), GPS / GPRS / LBS mode positioning, positioning accuracy upwards 5 meters, note: specific The error depends on the signal strength of the SIM card. Geo-Fence: You can configure the device to establish a security zone as a geo -fence on the APP to restrict movement in the area. If the device leaves the area, the APP will send a warning message to the mobile phone and also send an SMS message to the authorized number. Multiple Alarms: GPS trackers can easily set multiple alarms via the app, such as vibration alarm with light sensor, low battery alarm and speed alarm. At the same time, you can also view the historical path of the past three months in the APP. Power saving and waterproof: 5000mAh large capacity battery can last up to 90 days in standby mode ! At the same time, it has waterproof, dustproof and shockproof design. Note: GPS work requires a SIM card (not included) to obtain traffic data and support 2G network, erase PIN code and disable voice, it is recommended to use SIM card: Orange / Free / SFR / Bouygues Telecom No installation required: The magnet is strong, and the equipment can be installed quickly and stably. It only takes a second to install the GPS with strong magnets on any iron surface. If you have any problems, do not hesitate to contact our WhatsApp: 008615526428348.