The GF07 GPS Tracker is a GSM quad-band device that allows real-time tracking by SMS, GPRS, or 3G. It features move and SOS alarms, geo-fence alarms, and low battery alarm. It is mini-sized and portable. This tracker is perfect for protecting elderly, children, pets, and property, and for tracking private cars, vehicle rental, and equipment. The device has a rechargeable 3.7V 500mAh Li-on battery and works under temperatures between -20C to +55C. Features: - GSM quad-band frequency. - Move alarm and SOS alarm. - Mini size, portable to carry with. - Low battery alarm, Geo-fence alarm. - Real time tracking by SMS/GPRS/ 3G WCDMA. - GPS and location based service, real-time tracking. - Track private cars / vehicle rental / equipment outside, etc. - Protect child / the elderly / the disabled / pet / property, etc. Specification: Size: 43.2X32 136mm Network standard: GSM / GPRS Communication frequency: N850 / 900/1800 / 1900Mhz Charging input: Input AC110-220V 50 / 60Hz Charging output: Ouput DC50V 500mA Battery: Chargeable changeable 3.7V500 mah Li- on battery Storage temperature: -40 + 85 C Working temperature: -20 + 55 Humidity range: 5% -95% non-condensing Package Included: 1 x GPS Tracker 1 x Charging Cable 1 x User Manual Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. 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 picture.