Feature: 1. There are two powerful magnets inside, which can be easily attached to the vehicle without additional installation. 2. The black shell is easy to hide, perfect for tracking vehicles, teenagers, spouses, seniors or property. 3. Made of high‑quality ABS material, rugged and durable, light weight, compact size, easy to carry. 4. Simply insert a SIM card (not included) into the device to track and map (for Google Maps) in real time via the Internet. 5. Dial the SIM card number, you can hear the sound around the locator in the absence of light and noise, and you can monitor the situation around the locator silently. Specification: Item Type: Magnetic GPS Locator Material: ABS Color: Black Talk Time: 150-180 minutes Standby Time: 12 days Working time: 4-6 days Expansion Card: Mini memory card (not include) Networks: GSM/GPRSGSM Frequency Band: 850/900/1800/1900MhzGMS Positioning Time: 25 Seconds Power Input: AC 110-220V 50/60Hz Power Output: DC5V 300-500mA Battery: 3.7V 400mAh Lithium Ion Battery (include) Working Voltage: 3.4-4.2V DC Storage Temperature: -40 To 85 Degrees Celsius Working Temperature: -20 To 55 Degrees Celsius Humidity: 5%-95% Non-CondensingSize: Approx. 2.5 x 4.1 x 1.7cm/1 x 1.6 x 0.6inFunction: Record: Send number 555 to alarm phone, begin to record. Sound Monitoring: Send number 666 to alarm phone GPS Track: Send number 777 to alarm phone, the phone receive geographics position and map link. Positioning Trajectory: Send number 102 to alarm phone. Delete Memory Card Content: Send Number 445 to alarm phone. Reboot the Phone: Send number 999 to alarm phone, start success after 1 minute. Reset the Phone: Send number 444 to alarm phone. The product must have 2G networks area to use.. Package List: 1 x Magnetic GPS Locator1 x USB Charging Cable1 x English Manual Note: Due to manual measurement, there may be a deviation of 1mm.