"4G LTE +2G GSM universal network
GPS+Beidou Global satellite positioning, outdoor accuracy can reach 5 meters
WIFI positioning, indoor accuracy up to 30 meters
Heart rate, blood pressure, medicine reminder, exercise step counting health management function
Anti pick alarm
Waterproof grade IP67
1.54"" color high-definition touch screen (resolution 240*240)
Website platform/mobile app/SMS query location information
Multiple voice calling methods
HD camera
voice timekeeping
low battery alarm
Ringtone Finder
fall alarm" "Type A frequency band:
   FDD frequency band: Band 1/2/3/5/7/8/20
   TDD frequency band: Band 38/39/40/41
   GSM frequency band: Band 2/3/5/8
Type B frequency band:
   FDD frequency band: Band 1/2/3/4/5/7/8/12
   GSM frequency band: Band 2/3/5/8
GPS positioning accuracy: 5-15 meters (outdoor open sky)
WIFI positioning accuracy: 15-100 meters (with WIFI signal)
Working temperature: -20℃ ~ +45℃
Working humidity: 5% ~ 95% RH
Product size: 52(L)*42(W)*15(H) mm, 35g
Battery capacity: 600mA                                                    Package size:9.1*8.3*5cm,143g                                            Carton size: 50*20*19cm,40pcs/ctn,G.W:6.5kg" GPS+WIFI+LBS