Verify light intensity in your aquarium like the pros. Easy-to-use, portable lux meter with waterproof sensor gives a precise reading of how much light your aquarium inhabitants actually receive. Accurately measures from 0.000 to 50,000 Lux with ±6% of reading ±1 digit. Use to determine light intensity in different areas in reef aquariums for ideal placement of corals with different light requirements. Also, a great way to monitor light fixtures to ensure optimum performance. 9V Alkaline Battery included. Measures 3" x 1-3/8" x 5-1/2" high.
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