Why do the near infrared LEDs look like they're not working?

Unlike red light, near infrared light is invisible to the naked eye. The Joovv Modular and Joovv Go devices use red (660 nm), near infrared (850 nm) or both LEDs. If your red light LEDs are working, your near infrared LEDs should be as well. One way to test this on Modular devices is to turn off your Red by running the Joovv in NIR mode. Your should see a very faint illumination of the NIR LEDs. If you are using the Go NIR devices, you can simply turn the unit on, while in a dark room. Again, you should see a very faint illumination from the LEDs. 

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