Difference between Arlo Pro 3 and Arlo Pro 4?

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This improvement is particularly useful for communication through the camera, whether you're speaking to someone at your front door or warding off intruders. If you need to zoom in for a closer look at a specific area, the Arlo Pro 4 has an improved 12x digital zoom, offering better image quality when compared to the 8x digital zoom of the Arlo Pro 3.