8MP= 4MP Lens + 4MP Lens ;. 8MP pixels = 4MP Lens + 4MP Lens. - 4MP= 2MP Lens + 2MP Lens. 4MP pixels = 2MP Lens + 2MP Lens. Waterproof design enables excellent outdoor surveillance. - Support 2.4GHz WiFi connection (5G WiFi is not supported);.
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