The Arlo Pro 5S 2K and Ring Stick Up Cam Pro are two of the most popular premium security cameras on the market. Both cameras offer a wealth of features, including 2K resolution, night vision, and weather-resistant designs. However, there are some key differences between the two cameras that may make one a better choice for your needs. The Arlo Pro 5S 2K has a slightly higher resolution than the Ring Stick Up Cam Pro, and it also offers a wider viewing angle. The Ring Stick Up Cam Pro, on the other hand, is more affordable and offers a variety of power options, including battery, wired, and solar. Ultimately, the best security camera for you will depend on your specific needs and budget.