Ankle GPS Tracker for America Region MT-200X is easy to use and is specially designed for parolees, field staff, security guards, the elderly, lone workers, and pets. Through GPS (Global Positioning System), the tracker can get its position and send the position data to your smartphone via the map. At the same time, it will send the position data to the internet server by GPRS, so you can track the tracker's position. Specification - Built-in U-blox GPS module Internal GSM/GPS antennas GPRS module and low power ARM processor Dimensions 70mm(L) x 64mm(W)x 35mm(H) Weight 223.5g Internal Battery Li-Polymer 1800mAh battery 3.7V Water Resistance IP67 compliant Charging Voltage DC 4.8V- 5.5V/500mA Operating Temperature -25degree Celsius to +60degree Celsius GSM Module SIM7600A GPS Chipset Ublox Max-7Q (Glonass + GPS) LTE-FDD B2/B4/B12; UMTS/HSPA+ B2/B5 Embedded full-featured protocol SMS and GPRS (TCP/UDP) communication SOS emergency Alert Supports various alarms for geo-fencing, low battery, over speed etc. CE and FCC certified Long-standby time and Belt alarm Powerful GPS Locator for security guards, dogs, cats, other pets, people, lone workers, parolees, kids, etc. /Ankle GPS Tracker for America Region MT-200X is easy to use and is specially designed for the parolee, field staff, security guard, elderly, lone worker and pet.