3. Equipment parameters
Positioning: GPS + BD + Wi-Fi + LBS + AGPS auxiliary positioning
Positioning accuracy: GPS location 5 to 20m
Wi-Fi location 20 to 50m
LBS location 50 to 1000m
Device size: 20mm (Radius) x 12mm (Thickness)
Battery capacity: 400mAh
Standby time: 4days
Indicator light
Power/SOS button
The charging contact
Hang hole
