Black-light

4 года назад

This video compares 365nm and 400nm UV LED black lights. The presenter demonstrates the difference in visible light output between the two wavelengths, showing how 365nm lights emit minimal visible light while 400nm lights produce a noticeable purple glow. The video also highlights the impact of wavelength on the visibility of objects under the lights.

5 лет назад

This video compares the effectiveness of fluorescent and LED black lights. The video tests the light output, ambient light, and UV light of each type of fixture. The video also includes a "wasp test" to see which light attracts insects more.

1 год назад

This video reviews a 24W LED blacklight, highlighting its affordability, coverage, and water resistance. The reviewer demonstrates the blacklight's effectiveness for illuminating Halloween decorations and discusses its features, including a mounting bracket and heat sink.

1 год назад

This video from Blizzard Lighting explains the difference between true UV light and near UV light, highlighting the benefits of using a true UV blacklight. The video focuses on the UVonix Blackstar 120W UV LED Blacklight, which emits 365nm UV light and features a special filter to block visible light, resulting in a brighter, more vibrant glow.

1 год назад

This video compares two black lights: a directional light bar and a floodlight. The video shows how each light illuminates a room and highlights the differences in their beams. The reviewer demonstrates the lights in action and provides insights into their effectiveness.

2 года назад

This video reviews a Vansky blacklight flashlight. The reviewer highlights its usefulness for detecting stains and odors, particularly from pet urine. They explain how the flashlight illuminates hidden spots, making it easier to identify and clean them. The reviewer also suggests using it to check hotel sheets for cleanliness.