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Apply silicone sealant around the bracket edges and the cable entry hole. Do not seal the lens or the IR proximity sensor (a small black LED next to the lens). adn564mp4 install
Remember: The best cameras fail because of a loose RJ45 or an unsealed drip loop. Take pride in the physical layer, and this 5MP bullet will serve you for a decade. : Apply silicone sealant around the bracket edges