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◆ Waterproof rating IP68, suitable for long-term underwater use; both saltwater and freshwater are unaffected, but aquatic organisms attached to it need to be addressed.

◆ The housing is made of 3mm thick PC material, sturdy enough, with a 2mm thick stainless steel frame.

◆ Double-layer waterproof treatment; the shell and circuit board inside the transparent outer tube are both waterproofed.

◆ Ideal for underwater safety protection, fish stock assessment, and measurement of size and dimensions.