
I bought this to use in my basement where there are only pull cord switches. It works on the pitch black night, but the slightest amount of light coming through the tiny window prevents it from turning on and leaves you in the dark. Only works in total darkness. Even turning it off for 15-20 seconds doesn't stay on long enough to be useful. You have to constantly make large movements very close to the light bulb. Generally I will return them because they don't turn on during the day when needed, FYI my basement is very dark during the day and they don't turn on. It has to be pitch black to work. This light has a really bluish tint that doesn't match daylight at all.

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