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These HD Night Vision Goggles used in complete darkness—These Owl Night Vision Binoculars are equipped with an infrared illuminator, which allows you to view animals or other objects for hours without external light.

This turbidimeter is used to measure the scattering degree of insoluble glumes suspended in water or transparent liquid, and to quantitatively identify the content of these suspended particles.

StrikeAlert HD is the first personal lightning detector with a graphical display that shows you the lightning strike distance (from 0 - 40 miles away) as well as a 1-hour storm trend and intensity.

This high voltage insulation tester features a robust design and is equipped with 4 voltage ranges. It also has insulation resistance of up to 1000 g and short-circuits current of up to 1.5 mA.