Description: This is a miniature GPS tracker designed for tracking people, animals and assets. With alerts such as geographic boundary crossings, low battery, SIM change alert, and many other advanced reporting features, it is simply the most versatile tracker. With 900mAh Li-polymer battery, it is able to work for up to 6 days. GPS + BD + LBS + WIFI positioning: Allows you to locate the position precisely and quicklyTwo-way conversation: With the microphone and speaker connected, it is easy to achieve two-way soundVoice monitoring: Send a command to the device and hear the live voice around it.SOS call: Thumb button for urgent call in case of emergencyLow battery alarm: when the battery is almost dischargedGeo-fence alarm: in case of leaving a defined perimeterFall alarm: the alarm will be sent to the designated phone number if a fall is detectedSIM change alert: if someone changes the device's SIM card, an alert is sentTracked by: SMS, APP, Web Specifications: Positioning: GPS + BD + LBS + WIFINetwork: 4G + 3G + 2GNano SIM cardSOS callTwo-way communication900 mAh batteryDimensions: 56 * 42 * 18mmWeight: 49gMagnetic chargeWaterproof: IP67Geographic barrier: Geo-Fence