Q50 LCD LBS Tracker for Child Kid smart Watch SOS Safe Call Location Finder Locator Trackers smartwatch for Kids Children Anti Lost Monitor

GSM Frequency: 850/900/1800 / 1900MHZ, GSM, GPS: MTK6261 UB * 7020, GPRS: Class 12, TCP IP build in GSM modile, GPS Sensitivity: -159 dbm, GPS Positioning Accuracy: 10m (2D RM), GPS Positioning Accuracy: 50-200M, Speed accuracy: 0.1m / s, Max altitude: 1800m, Battery capacity: 3.7v 320mah, Size (watch case) 45L * 32W * 13H (mm), Weight: 35.1g, Working temperature: -20--70, Humidity: 20% -80% RH