There are infrared LED wavelengths on the market, such as 730nm, 810nm, 830nm, 870nm, and 905nm IR LED. However, the most common ones are 850nm IR illuminators and 940nm infrared LED lights, which differ from each other in various ways. So here, we will compare these two infrared LED lights. Please read on.

l Illumination area: 850nm IR illuminator has the edge over the 940nm infrared LED as the former covers 50% more illumination areas.

l Red glow: 850nm infrared LED gives off a slight red glow at the LED light source and can be noticed if closely observed. However, the 940nm IR illuminator is completely invisible, meaning that there is no light on the surface of the red light, and is more hidden.

l Radiation intensity: The radiation intensity of the 850nm infrared LED is about two to three times higher than that of the 940nm IR light.

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l 940nm infrared LED: When invisibility is a must in some applications, such as surveillance, touch screen, proximity sensing, blood oxygen detection, and face recognition, 940nm IR light is a better option. That's because it doesn't emit a slight red glow. 940nm IR light is a better option. That's because it doesn't emit a slight red glow.

l A complete product line with a monthly production capacity of 1.2KK. L a complete product line with a monthly production capacity of 1.2 kk

It is important to consider their differences when purchasing 850nm or 940nm IR controllers for LED lights. Power consumption, illumination distance, and performance (such as water resistance, anti-dust, etc.) should also be considered when choosing 850nm or 940nm IR lights. But overall, these 850nm and 940nm infrared LED lights have their advantages and should be chosen based on your project.

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l 850nm infrared LED: Given the advantages in extended coverage and camera sensitivity, the 850nm wavelength is generally the best choice for most security applications, face recognition, automobile sensor, and 3D sensor. However, it is not suitable for covert surveillance applications because it emits a slight red glow.

l A complete range of viewing angles ranging from 30°to 130 °. L a complete range of viewing angles ranging from 30°to 130 °.

l Brightness: Brightness will be higher if the radiation intensity value is higher, so 850nm light features high brightness than the 940nm IR illuminator.

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When purchasing 850nm and 940nm infrared LED, the top priority is to choose a reliable supplier. As a professional LED manufacturer, Refond has always been devoted to developing state-of-the-art infrared LED products, including those at 850nm and 940nm wavelengths. Let's get to see some of our notable IR controllers for LED lights.

Now that you can tell the differences between 850nm and 940nm infrared LED, it's time to get premium products from a reliable IR LED supplier. Among many LED light suppliers on the market, It's time to get premium products from a reliable IR led supplier. Among many led light suppliers on the market, Refond stands out. Here are what we can offer if you choose our 850nm and 940 infrared LED light products.

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An infrared light emitting diode referred to as IR LED, emits invisible light ranging from 780nm-1mm. The light emitting from infrared LED features unnoticeableness and energy efficiency, allowing this LED technology to be applied to different industries, such as security.