The difference between 850nm infrared and 940nm infrared.


850NM wavelength infrared lamp can be seen with the eye. And when the 940NM lamp cannot see when it is lighting up. Only with the help of cameras, mobile phone camera or other tools can you see the light of the 940nm infrared.

The lamp efficiency of 850NM is higher than that of 940NM, and the night vision effect of 850NM infrared is better than that 940NM. 850NM infrared lamps generate less heat than 940NM, so most of our infrared lamps are 850NM.

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