Lampadina infrarossi IR E26 LED 980nm illuminatore per telecamera di sicurezza no bagliore invisibile

Wavelength 980nm (no glow, invisible to human eye). What's the difference between 850nm、940nm and 980nm infrared LED illuminators?. But The 980nm is 100% total invisible in pitch black. An 850nm LED produces a visible red glow but will illuminate stronger than a 940nm LED of equal power.

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