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What is 850nm IR?

What is 850nm IR? The most commonly used infrared wavelength for security camera lighting is 850nm IR, it provides best performance versus invisibility balance. Although 850nm IR is invisible to the human eye as “light”, it does produce a slight…

Is Samsung Tab a 10.5 worth buying?

Is Samsung Tab a 10.5 worth buying? TechRadar Verdict While the Samsung Galaxy Tab 10.5 (2018) offers an Android alternative to an iPad, it’s a much weaker tablet you’re getting – it’s slower to use, less ergonomic, and can’t run…