GF07 Mini Portable Real Time Magnetic Tracking Device Locator System Global Tracker for Car Motorcycle Kids Teens Old and Other Moving Objects Features: 1.Small size and light weight, easy for carry. 2.Black shell, perfect for tracking vehicles, teens, spouses, elderly persons or assets. With two powerful magnets inside, easy to attach to vehicle firmly, no extra installation need. 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 SIM card number, then you can hear voice around this tracker, with no light and no noise, you can monitoring and spy what's going on around the tracker silently and secretly. 5.Voice Recording Function: Send text message 555 to SIM card number, it will reply a message “Snd” and start recording,SIM card and TF card are not included. Descriptions: Waterproof function without antenna type GNSS external power supply form built-in power interface text Chinese English type portable . Rechargeable, strong magnetic adsorption, recordable, anti-lost positioning for elderly children Specifications: Color: black Material: Plastic Size(approx):35*20*14mm GPS positioning accuracy: about 100m Expansion Card: Mini TF card Antenna Type: GSM/GPRS GSM Band: 850/900/1800/1900Mhz GMS Locating Time: 25 Seconds Power Input: AC 110-220V 50/60Hz Power Output: DC5V 300 - 500mA Battery Capacity: 3.7V 400mAh Li-ion Battery Working Voltage: 3.4 - 4.2V DC Storage Temp.: -40 to 85 celsius Operation Temp.: -20 to 55 celsius Humidity: 5%-95% non-condensing Standby Current: About 2.5mA Speaking Curret: About 150mA Package Included: 1x Mini Magnetic GPS Tracker(SIM card and TF card are not included) 1x USB Charging Cable 1x English User Manual Notes: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Please allow slight dimension difference due to different manual measurement.