The difference shows in nanometres. 365-nanometre lamps make marker dyes and stains glow more clearly, because they leak less visible violet light; 395-nanometre models are enough for everyday checks, such as looking at a banknote or the traces left by a pet. Some models charge over USB.
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The difference shows in nanometres. 365-nanometre lamps make marker dyes and stains glow more clearly, because they leak less visible violet light; 395-nanometre models are enough for everyday checks, such as looking at a banknote or the traces left by a pet. Some models charge over USB.