【Real-time and Accurate Positioning】: Real-time tracking, display location information automatically (supports Android / IOS APP, Web / WAP), real-time free tracking, GPS / A GPS / LBS mode positioning, If the GPS signal is good, the device will be positioned through the GPS satellite, the accuracy is 5-10 meters; otherwise, the device will be positioned through the LBS, the accuracy is 100-1000 meters! Three positioning way: SMS message, APP, web positioning 【One-button SOS Call】When your family in an emergency, they can use one-click to call the emergency number for help. Reserve the family number in the APP. If the child or the elder is lost, press the SOS button for 3 seconds in the power-on state, then the device will send SMS “help alarm!” The device is equipped with a vibrating motor. When pressing the SOS alarm, it will vibrate to remind the alarm that the alarm is successful. 【Other Common Function】❶Over-speed Alarm Function. ❷Vibration Alarm Function. Built-in vibration sensor, if your car vibrates, you will receive an SMS alert. ❸Security Zones Function, set Security Zones and receive a notification as soon as the tracker Enters Or Leave This Area. It will keep your family staying a safe environment. ❹Historical Route Functions. Displays the 90-day historical route. 【Easy to Install】Strong magnet, the device can be installed quickly and permanently. Just attach it to any iron surface with strong magnets. 【25 Days Long Standby】Built-in 3.7V 1500mAh lithium ion battery, it can stand by for 25 days. The device has its own switch, which can control the time period of whether to enable or not, so that the standby time becomes longer. waterproof grade is IP65, can resist splashing water.