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1. External Battery
it is used to power the device for a while after its main supply is cut off.
Connect the external battery to the corresponding interface on the
device and place it in a proper position.
2. SOS Key
it is used to seek help in emergencies. Connect the SOS key to the
corresponding interface on the device, remove the protective film
from 3M tape and then attach it to proper position.
1. Choose proper accessories based on your actual needs.
2. Select a relay that goes perfectly with the battery of your vehicle.
3. It is recommended to ask a distributor, a designated business, or an
expert to do the installation and commissioning.
Note :