Normal working mode (GPS keeps working):
The device update location every 10 seconds with continuous tracking and the battery can only last 4 days.
Smart power saving mode (GPS sleeps when device is static):
The device update location every 10 seconds with continuous tracking, the battery working time depends on how many hours the GPS tracking device works per day
Interval work mode:
The device update location every 10 minutes with continuous tracking and the battery can only last 30 days.
Once a day mode:
The device update location 24 hours a day and the battery can only last 300 days.