1、SOS Alarm Function: If the elderly and children fall down and you can call the pre set SOS number with one button, if the number cannot be dialed, the locator will ring other family numbers. 2、Very Stable Signal: Even in rural and mountainous areas where the signal is low, more transmission channels can be used, and the positioning signal will never disappear. 3、Easy Route Tracing: Install APP for multi person management, pay attention to baby safety, add family number, and stay away from danger. Check the route and stay time on the APP. 4、Broad for Coverage: The GPS electronic fence function can automatically monitor the dynamic risk within the 100 meter range. The user centric protection system can better protect users from risks. 5、Multiple Functions: The locator is fed back to the APP to locate the vehicle locate dynamics in real time, making it easier to query the vehicle's historical route, driving direction, dwell time, and easily grasp the vehicle dynamics. Item Type: GPS Locator Material: ABS Color: Black GPS Positioning Accuracy: Approx. 10m / 32.81ft Alarm Mode: Vibration alarm, SOS alarm, movement alarm. Battery Life: 96h Antenna Type: AGPS, WIFI, GPS. External Power Supply: USB Charging Map Function: For Baidu, for Google. Battery: 3.7V 300mAh polymer lithium battery, shipped with built in battery. 1 x GPS Locator 1 x Data Cable 1 x User Mauanl