V51 B Style IP67 Waterproof 4G LTE 3G 2G GSM Elderly SOS Button Emergency Alarm GPS Tracker For North America/South America, V51 B Style Option:V51 B Style Function:Passometer

Function:Passometer

4V/1000mAh Li-Polymer battery

Pixel density: 450 PPI

you can install it yourself

Lamps: 180pcs (warm lamp 90 /cold lamp 90)

V51 B Style IP67 Waterproof 4G LTE 3G 2G GSM Elderly SOS Button Emergency Alarm GPS Tracker For North America/South America, V51 B Style Option:V51 B Style Function:PassometerFeature 1. Real time positioning: query position information and adjust positioning interval, and navigate to find personnel. 2. Historical track: View the movement track of any day within 90 days 3. Fence: GPS fence: Compare the GPS positioning data and judge whether there is an alarm for entering or leaving the fence. WIFI fence: Compare the WIFI hotspots and judge whether there is an alarm in or out of the fence. " 4. Health: Calculate the amount