Main Features: 1.4G LTE+3G WCDMA+2G GSM Networks 2.GPS + LBS +WIFI Tracking Ways 3.Health Management with Pill Rreminder, Step 4.Waterproof IP67 5.1.3 LCD HD Sscreen (240*240pdi) 6.Web Platform/ Phone App/ SMS for Positions Check 7.High Pixel Camera for Photos 8.Talking Clock 9.Low Battery Alarm 10.Ringtone to Find the Pendant Specification Version A Bands Combination: 4G-FDD Band 1/2/3/5/7/8 4G-TDD Band 38/39/40/41 3G-WCDMABand 1/2/5/8 2G-GSM Band 2/3/5/8 Version B Bands Combination: 4G-FDD Band 1/2/3/4/5/7/8/12/20/28A 3G-WCDMABand 1/2/5/8 2G-GSM Band 2/3/5/8 GPS Locating Time30sec with cold boot (open sky) 29sec with warm boot (open sky) 5sec with hot boot (open sky) GPS Positioning Accuracy5-15m (open sky) WIFI Positioning Accuracy15-100m(Under WIFI range Working Temperature-20 ~ +70 Working Humidity5% ~ 95% RH Host Size59(L)*45.3(W)*16(H)mm Host Net Weight: 41g Battery:600mAh Package Included: 1X GPS Tracker Device 1X Lanyard 1X USB Charging Cable 1X User Manual. 1X Screw Driver 2X Spare Screw 1X Sim Card Ejector Pin