940 nm wavelength LED is located in the infrared light spectral range, invisible to the naked eye. 940nm invisible infrared technology is widely utilized in applications such as night vision devices, remote controls, security cameras, and other applications to provide clear night vision while maintaining surveillance invisibility. The 940 nanometer infrared light has a good transmission capacity in the atmosphere, which makes it suitable for long-distance transmission and telephoto shooting.
940nm vs 850nm infrared lights for night vision
Humans can't see infrared light 940nm but we can see a little pink light at 850nm infrared light. Both 940nm and 850nm IR light can be used in night vision systems. The difference is that 940nm infrared led light is completely invisible to the naked eye and almost no glow under cell phone cameras, therefore 940nm led strip is better suited for surveillance scenarios where concealment is required. (Some iPhone cameras don't see the IR led strip 940nm infrared light, some Android phones can see a little bit of a light pink spot in the 940nm infrared LED.)
Our 940nm infrared led light strips come in a variety of voltages, densities, wattages, waterproof ratings, easy cut to length to suit each application. Explore flexible infrared light bar here.
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