User's Manual

Charging of the Battery and Description Performance Index
Use USB data line to charge:
To make the lithium ion battery can play the perfect performance:
The product has built-in chargeable 26650 lithium batteries.
Pull off the USB line after fully charging.
Don’t place the battery on the charger exceeding 24 hours.
The thermal imaging device should be charged for two hours at least
every three months so as to extend the battery service life to the
greatest extent.
Don’t try to charge the battery in extremely cold environment.
When the battery level is low, the top right of the screen will display
“ ”.Please charge in time through Micro USB interface.
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Infrared image resolution
Visible image resolution
LCD resolution
Field angle
Thermal sensitivity
Temperature
measurement range
Measurement accuracy
Emissivity
Frame rate of thermal images
Wavelength coverage
Focus mode
Color palette
300000pixel
Adjustable from 0.01 to 1.00
8-14um
Fixed
Rainbow, iron oxide red, cold color,
black & white, white & black
Display screen
Model
3.5-inch full-view
TFT display
HT-A8 HT-A9
3.5-inch full-view
TFT display
9Hz
35°×27°
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220×160
640×480
300000pixel
56°×42°
320×240
640×480
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ŏđfđιđf
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Note: When the battery is completely empty, there will be an
abnormality. It is recommended to use the battery when it is
sufficient.