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Hchao Multifunctional Portable 10x-200x Digital USB Microscope w


Hchao Multifunctional Portable 10x-200x Digital USB Microscope w

Product description

This is a portable USB digital microscope. With 10X-200X magnification, 10mm to 500mm focus range, 2.0 Megapixel sensor and 1280 x 720 pixels resolution, this USB digital microscope can provide clear and good video/image quality. Besides, built-in 8 LED lights and the adjustable illumination can ensure the magnified images are clear and bright. Equipped with 2-in-1 USB connector and Type-c connector, widely compatible with Windows PC and Mac, and also suitable for Android smartphones with function, very easy to use.


Camera Outer Diameter: 8mm

Sensor: 2.0 Megapixel CMOS

Resolution: 1280*720 Pixels

View Angle: 60°

Magnification: 10X to 200X

Focus Range: Manual Focus from 10mm to 500mm

Light: 8 Brightness Adjustable LEDs[Adjustable by Control Wheel]

Interface: USB2.0 UVC, Micro-USB, Type-C

Operation System: for Windows 7/8/10, for Mac 10.6 or later, for Android 4.4 ot later

Waterproof Level: IP67


1. Please read the user manual cafefully, and for Android, please install the APP according to the user manual.

2. Suitable for Android system phone with OTG function, but not for iOS system.

3. Please make sure that your smartphone supports OTG function.


1 * Microscope

1 * USB Cable

1 * Stand Base

4 * Accessories

1 * CD

1 * User Manual

Hchao Multifunctional Portable 10x-200x Digital USB Microscope w

World Population
retrieving data...Current World Population
World Population:
  • has reached 7 billion on October 31, 2011.
  • is projected to reach 8 billion in 2023, 9 billion in 2037, and 10 billion people in the year 2055.
  • has doubled in 40 years from 1959 (3 billion) to 1999 (6 billion).
  • is currently (2020) growing at a rate of around 1.05 % per year, adding 81 million people per year to the total.
  • growth rate reached its peak in the late 1960s, when it was at 2.09%.
  • growth rate is currently declining and is projected to continue to decline in the coming years (reaching below 0.50% by 2050, and 0.03% in 2100) .
  • a tremendous change occurred with the industrial revolution: whereas it had taken all of human history up to the year 1800 for world population to reach 1 billion, the second billion was achieved in only 130 years (1930), the third billion in 30 years (1960), the fourth billion in 15 years (1974), the fifth billion in 13 years (1987), the sixth billion in 12 years (1999) and the seventh billion in 12 years (2011). During the 20th century alone, the population in the world has grown from 1.65 billion to 6 billion.

Sources for the world population counter:

For more detailed information:

retrieving data...Births this year
"this year" = from January 1 (00:00) up to now
retrieving data...Births today
"today" = from the beginning of the current day up to now
retrieving data...Deaths this year
retrieving data...Deaths today
retrieving data...Net population growth this year
"net population growth" = births minus deaths
retrieving data...Net population growth today
Government & Economics
$ retrieving data...Public Healthcare expenditure Counted Cross Stitch Kits Mountain Lake Starter Kits for Adult B
Quick facts:
  • Total global healthcare expenditure represent around 9% of world GDP
  • Government portion of healthcare expenditure is around 60%

Sources and info:

$ retrieving data...Public Education expenditure Dell Vostro 15 3000 15.6" FHD Business Flagship Laptop Computer,
Quick facts:
  • Public spending on education in the world is around 5% of global GDP

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$ retrieving data...Public Military expenditure Coarbor 5'x30' Vinyl Coated Polyester (PVC) Mesh Privacy Fence S
retrieving data...Cars produced this year
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retrieving data...Bicycles produced this year
Quick facts:
  • As recently as 1965, bicycle and car production volumes were essentially the same, at nearly 20 million each per year, but as of 2003 bike production had climbed to over 100 million per year compared with around 50 million cars produced that year.

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retrieving data...Computers produced this year
Society & Media
retrieving data...New book titles published this year
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Sources and info:
retrieving data...Cellular phones sold Glass Eye Studio Spring Meadow Second Edition Paperweight
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retrieving data...Internet users in the world today
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retrieving data...Blog posts written MSD Ignition 209M Mallory Cap
Sources and info:
Sources and info:
  • Internet Live Stats (InternetLiveStats.com)
retrieving data...Forest loss this year (hectares)
Quick Facts:
  • The number shown above is net of reforestation
Sources and info:
retrieving data...Land lost to soil erosion this year (ha)
Sources and info:
retrieving data...CO2 emissions this year (tons)
Quick Facts:
  • CO2 Emissions shown are from Fossil Fuel Combustion
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retrieving data...Desertification this year (hectares)
retrieving data... Toxic chemicals released
in the environment this year
retrieving data...Undernourished people in the world
retrieving data...Overweight people in the world
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retrieving data...Obese people in the world
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retrieving data...People who died of hunger HFBTE CM-8825F Integral Type Coating Thickness Gauge Tester Mete
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$ retrieving data...Money spent for obesity related
diseases in the USA LXRZLS LED Cabinet Mini Spot Light 1W 3W 110V 220V Downlight 12V
Sources and info:
$ retrieving data...Money spent on weight loss
programs in the USA YELVQI 5PC Pure Natural Crystal Agate Ball Aura Healing Healing
Sources and info:
retrieving data...Water used this year (million L)

Quick Facts:

  • Withdrawals for irrigation are nearly 70% of the total withdrawn for human uses, those for industry 20%, and those for municipal use about 10%

Sources and info:

  • Global Water Outlook to 2025 - International Food Policy Research Institute (IFPRI) and the International Water Management Institute (IWMI)
  • World Water Council
retrieving data...Deaths caused by water related
diseases this year
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retrieving data...People with no access to
a safe drinking water source
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retrieving data...Energy used today (MWh), of which:
Sources and info:
retrieving data...- from non-renewable sources (MWh)
retrieving data...- from renewable sources (MWh)
Sources and info:
  • Renewables Global Status Report - REN21
retrieving data... Solar energy striking Earth YIWMHE Crankshaft Position Sensor Compatible with Toyota Lexus 9
Sources and info:
retrieving data...Oil pumped today (barrels)
Quick Facts:
  • Barrel = 42 Gallons = 159 Liters

Sources and info:

retrieving data...Oil left (barrels)
Sources and info:
retrieving data...Days to the end of oil (~... years)
Countdown to the end of Oil:

retrieving data...

  • If consumed at current rates

Sources and info:

retrieving data...Natural Gas left (boe)
Quick Facts:
  • Boe = barrel of oil equivalent

Sources and info:

retrieving data...Days to the end of natural gas
retrieving data...Coal left (boe)
retrieving data...Days to the end of coal
retrieving data...Communicable disease deaths this year
Sources and info:
retrieving data...Seasonal flu deaths this year
Quick facts:
  • Every year an estimated 290,000 to 650,000 people die in the world due to complications from seasonal influenza (flu) viruses.
  • This figure corresponds to 795 to 1,781 deaths per day due to the seasonal flu.

Sources and info:

retrieving data...Deaths of children under 5 this year
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retrieving data...Abortions this year
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retrieving data...HIV/AIDS infected people
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retrieving data...Deaths caused by HIV/AIDS this year
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retrieving data...Deaths caused by cancer this year
Sources and info:
  • Cancer - World Health Organization (WHO)
retrieving data...Deaths caused by malaria this year
Sources and info:
  • Malaria - World Health Organization (WHO)
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retrieving data...Deaths caused by smoking this year
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retrieving data...Deaths caused by alcohol this year
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retrieving data...Suicides this year
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$ retrieving data...Money spent on illegal drugs this year
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retrieving data...Road traffic accident fatalities this year
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