V44 Solar GPS Locator

4G LTE+3G WCDMA+2G GSM networks 
Waterproof IP67
Remove alarm
SOS alarm 
High frequency alarm with loudspeaker 
GPS positioning, with accuracy of 5m outdoor
WIFI positioning, with accuracy of 30m indoors
Web platform/ Phone App/ SMS for positions check
Historical route, GPS fence & WIFI fence double care
Solar charging automatically when sunlight exists
Heath care with step counting and temperature measurement
Low battery/ SIM card changing alarm
High power LED prompt light