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Title: cheap and easy means to cover up piercing LED lights on electronics
Review: I bought roll of this and was able to easily cover up all the piercing blue LED lights on DVR, SD card reader, and two clocks. Nice thing about the film is with one layer you can still see the light, so good for clocks and for lights that you need to see.For lights that you do not need to see you can stack multiple layers until it is so dark you can't see the light. Another nice things is that it is easily removable so there is no need to make any permanent changes to anything or to compromise on which electronics you buy to avoid blue LED lights.
