3
English
• Before use, insert the microSD card
into the dash cam.
• The default file format of the microSD
card may be inconsistent with that
supported by this product. When
using a new microSD card on this
product for the first time, initialize
the microSD card using this product.
Using other devices to initialize the
microSD card may cause the microSD
card to malfunction. Initializing the
microSD card will delete all data on
it. Please back up important data to
other devices in advance.
• If a microSD card is used for a long
time, it may become damaged or
deteriorated over time, affecting the
ability to save video and image files.
In this case, replace the microSD card
with a new one immediately.
• Use a reliable and high-quality
microSD card. When a low-quality
microSD card is used, the actual read/
write speed or the actual available
capacity may be inconsistent with
the stated one. 70mai is not liable for
material loss or damage caused by
the use of a low-quality microSD card.
• Do not insert or remove the microSD
card when the dash cam is turned on.
Doing so may damage your dash cam
or microSD card.
GPS Signal Receiving
• If you use this product for the first
time or have not used it for a long
time, it may take a few minutes to
complete GPS positioning. You can
check on the status bar on the
main screen to determine whether
positioning is successful.
• Location information may not be
recorded in places where GPS signals
cannot be received (such as tunnels).
• There may be deviations in the
location information, depending on
the specific location.
• Note that if a metal film is attached
to the front windshield where the
product is installed, the metal film may
cause deterioration of GPS signals
received by a dash cam with the built-
in GPS module.
About Radio Wave
Wireless Connectivity: Wi-Fi IEEE 802.11
b/g/n 2.4 GHz,
Bluetooth
®4.2
Bluetooth/Wi-Fi Operation Frequency:
2400 MHz to 2483.5 MHz
GPS/GLONASS Operation Frequency:
1559 MHz to 1610 MHz
Maximum Bluetooth Output: < 13 dBm
Maximum Output Power of Wi-Fi:
<20dBm