Product Name:  HM020B
Screen: 2.0-inch IPS screen
CMOS Size: 1/6.5”
Illuminate: 8 LED lights (brightness adjustable)
Focusing Mode : Manual
Digital Zoom : Not supported
White balance: Auto
Exposure: Auto
Lens Structure: 4P+IR
Aperture: F4.5
Lens angle of view : 20°
Interface: Type C,  5V/1A
Operating Temperature : -10°C ~ +55°C
Operating Humidity: 30%~85%Rh
Power Dissipation: 200mA, 1W
Battery Capacity: 650mAH, 3.7V
Working time: 2.5H
Charging time: 1.5H
Language: 13 Languages: English,  Simplified Chinese,  Traditional Chinese,  Japanese,  Korean,  Russian,  French,  German,  Czech,  Portuguese,  Polish,  Dutch,  Turkish,  Thai

Package contents:
Microscope *1
Type-C Cable *1
User Manual *1

Packaging:  color box
Single box weight:   0.15 kg
Kraft paper box size:  17.6*9.2*3.8 cm
Outside box size:  56*41*30 cm
Weight of 90 sets in a case:   14.8 Kg