HTI HT-04D - Battery Charging and Description; USB Charging Procedure; Lithium-Ion Battery Care; Performance Specifications

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 18650 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（When
the product is off, you can charge）.
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Infrared image resolution
Visible image resolution
LCD resolution
Field angle
Shortest focus length
Thermal sensitivity
Temperature
measurement range
Measurement accuracy
Emissivity
Frame rate of thermal images
Wavelength coverage
Focus mode
300000 pixel
-20℃ to 450℃
(-4°F to 842°F)
-20℃ to 300℃
(-4°F to 572°F)
Adjustable from 0.01 to 1.00
8-14um
Fixed
Display screen
Model HT-04D HT-04(new)
2.8-inch full-view
TFT display
2.8-inch full-view
TFT display
9Hz
±2℃/±2%
±2℃/±2%
(Greater than 300℃
accuracy is ± 5%)
35°×26°
0.07℃
160×120
320×240
35200 pixel
35°×26°
220×160
320×240
0.15M