1. Compact and Convenient: The mini GPS tracker s designed to be small and portable, making it easy to carry around without taking up much space. 2. Advanced Positioning Chip: Equipped with a -new, high-sensitivity intelligent positioning chip, the location tracker offers enhanced overall performance. 3. Real-Time Alert: The real-time locator features a safety fence function. It send real-time alert messages any time the tracker enters or exits the designated area. 4. Track : The anti-lost device offers an unlimited of tracking history for up to 180 days. This feature allows you to review the movements of the tracked item or person anytime, anywhere, providing a comprehensive record of their whereabouts. 5. Wide Uses: The smart finder locator can be used for a variety of tracking needs. Working voltage: 3.3V-4.2V DC Communication band: 850/900/1800/1900 MHz Operating Temperature: -20~+70 Charging voltage: 5V DC You need to insert a SIM card to use it. Before purchasing the device, make sure that the SIM card you use supports the 2G network, otherwise it not work!!! Material: ABS Color: black Package Contents: 2PCS * Car Real-Time Locator 2PCS * wiring harness Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.