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Amazon.com: GW Security 8 Megapixel UltraHD 4K 2.8-8mm Motorized Zoom Dome IP Dome Security Camera Built-in Microphone, Audio Recording, Power Over Ethernet
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Amcrest 4K Security Camera System with 4K (8MP) 8-Channel NVR & Eight x 4K ( 8-Megapixel) IP67 Weatherproof Metal Bullet POE IP Cameras (3840x2160P), Pre-Installed 2TB Hard Drive, NV4108E-IP8M-2496EW8-2TB (White)
If an 8.5 megapixel camera puts out 4k resolution, why do phone manufacturers bother putting 12 megapixel cameras in their phones? - Quora
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