Product Information:4G LTE+3G WCDMA+2G GSM networksGPS + LBS +WIFI tracking waysHealth management with Pill reminder, StepWaterproof IP671.3’ LCD HD screen (240*240pdi)Web platform/ Phone App/ SMS for positions checkHigh pixel camera for photosLow battery alarmRingtone to find the pendant 4G-FDD： Band 1/2/3/5/7/84G-TDD： Band 38/39/40/413G-WCDMA：Band 1/2/5/82G-GSM： Band 2/3/5/8Version B bands combination:4G-FDD： Band 1/2/3/4/5/7/8/12/20/28A3G-WCDMA：Band 1/2/5/82G-GSM： Band 2/3/5/8GPS locating time：30sec with cold boot (open sky) 29sec with warm boot (open sky) 5sec with hot boot (open sky)GPS positioning accuracy：5-15m (open sky)WIFI positioning accuracy：15-100m(Under WIFI range）Working temperature：-20℃ ~ +70℃Working humidity：5% ~ 95% RHHost size：59(L)*45.3(W)*16(H)mmHost Net weight: 41gPacking list: 1 * AlarmBattery:600mAh