Features: 1. Small size and light weight, easy to carry. 2. Black case, easy to hide, perfect for tracking vehicles, teens, spouses, seniors or assets. With two strong magnets inside, easy to attach to your vehicle, no additional installation needed. 3. All you need is a working SIM card (NOT included) to insert into the device, then you can track and map (with Google Maps) in real time over the Internet. 4. Dial the SIM card number, then you can hear the voice around this tracker, no light and no noise, you can monitor and spy what is happening around the tracker silently and secretly. Specifications: Type: Magnetic GPS Tracker Material: Plastic Size (approx.): 35*20*14mm Quantity: 1pc Color: black Talk time: 150 -180 minutes Standby time: 12 days Working time: 4 - 6 days Expansion card: Mini Network TF Card: GSM/GPRS GSM band: 850/900/1800/1900Mhz GMS tracking time: 25 seconds Power Input: AC 110-220V 50/60Hz Power output: DC5V 300 - 500 mA Battery capacity: 3.7V 400mAh Li-ion Battery Voltage: DC 3.4 - 4.2 V Storage temperature: -40 to 85 degrees Celsius Operating temperature: -20 to 55 degrees Celsius Humidity: 5% to 95% non-condensing Warning: You must insert the SIM card before charging. Package Included: 1 * Mini Magnetic GPS Tracker 1 * USB Charging Cable 1 * English User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.