chriscog The product is very unlikely to support VGA with a "standard" adapator. You'd need a device that does frame buffering and they're likely to cost as much as a new monitor. However, it would likely work (untested, I don't own the product) with a DVI adaptor, as the HDMI and DVI protocols are similar.

chriscog Not sure what you mean by the

chriscog You could do so only if you had a video capture card, with the microscope plugged into that.

chriscog I defer to someone that has actually bought that model, but I can only assume that it will "speak" the values at the press of a button. To me it sounds (pun not intended) too gimmicky, but I can see useful use cases.

chriscog No battery. Needs power.

chriscog One of the options is to have the colours flash on and off, with the colours changing. Try hitting "W" (for White) on the remote, or other buttons, to see if they have any effect.

chriscog Mine came with a euro plug, and a euro-to-US adaptor. Since the device has a standard IEC power connector, I just used one of the many spare cables I have.

chriscog While not of this variety, there are plenty of 220V versions. Just search for "flex shaft rotary tool" and poke around. A 220V version was the second in the list of search results (of ones with motors, rather than just the shaft).