The performance is as good as PC Mag reported. It works with NVRs and Blue Iris, and no subscription is required. The form factor is almost as small as the Wyze Cam V3, but without being forever trapped within the Wyze ecosystem, which does not support any security hardware or software other than their own inbred solutions. The audio from Tapo's built in microphone is good enough to actually use and under ideal lighting conditions, the video can look as good as that from multi-hundred-dollar professional cameras.With that said, while I do genuinely appreciate the fact that it is usable with NVRs / Blue Iris, the configuration process is arcane. The camera has no built-in web GUI, so all administration must be done via mobile app. It "works", but is clumsy, arcane, and quite limited compared to a real web GUI. Not that I've seen any other camera in this price class that is any better in this regard...it's just that Tapo came so close to greatness!The build is functional and even attractive, in a certain way, but is entirely plastic. I'm sure I could wreck it with two fingers. But it's also quite light, so if kept out of harm's way, may hold up for a while. There is no way to get portrait or "corridor" mode with a ceiling mount. It would be possible with a wall mount, although somewhat awkward-looking. And while Blue Iris allows camera rotation in 90 degree increments, the Tapo mobile app provides only an "invert image" option.Be aware that if you want to use this camera without a subscription and without an NVR, you're going to need a micoSD card, and if you want enough storage for 30 days of continuous recording, it's going to cost you double the price of the camera itself. For every camera. This is a fallacy of distributed storage. And since SD card makers are reticent to publish meaningful durability specs, there is no way to predict how long that expensive storage will survive. That, and if a bad actor should swipe your camera, the recording of the deed will be gone as well. Since the C120 has no web GUI, unless one is using Blue Iris, it is not possible to monitor live video using a real computer, short of awkward use with third party software such as VLC.If you plan to use the camera with Blue Iris, then you won't care about SD card problems, but you will care about how arcane the setup process is. You'll also care that there may be no way to firewall the camera from the internet without also breaking the mobile app, which is, again, the only way to administer the camera.And one more limitation that can be more challenging than one might imagine - there is no way to change or even replace the supplied power cable. It has a USB-C connector on the camera end, which at first seems somewhat universal, but no - take a look at the attached photo. The one on the left is advertised as working with the C120. The cable that comes with the C121 (the black version of the same camera) is on the one on the right. Notice the notched shoulder around the perimeter of the connector, , which exactly fits within the rubber grommet on the camera. The white one won't even make contact. Nobody is talking about this, but I think it's a big deal. I asked Tapo for help, but they gave me none. They were unwilling/unable even to sell or provide a replacement identical to the original cable, let alone a longer one.3 meters is not long enough for most mounting locations, and there is no way to get a longer cable. For that matter, if the original cable fails, the camera will become entirely useless. Ridiculous. Maybe one could hack out the rubber boot, but then the camera would no longer be water resistant. A frustrating example of planned obsolescence. Or perhaps, just very bad planning. If it was an Apple device, they'd make it where only their own cables would work, and then sell the cables for $50 each. At the very least, Tapo is missing an opportunity. For that matter, while USB-C may be all the rage these days, it has significant length limitations. By comparison, a more traditional coaxial power connector would make it possible to accommodate a wide range of connector styles, since the OD of the connector barrel remains constant across all styles. In addition, simple 2-conductor cable is physically smaller, less conspicuous, less expensive, and works fine at much greater lengths. And a smaller round connector is easier to poke through holes for more elegant/permanent installations.Of course, Tapo could solve this problem, and more, by providing a PoE option. It would be great to be able to have a hardwired network option, and PoE is such a great way to power a camera, providing a safe power supply with virtually unlimited length and routing options. As opposed to having janky extension cords (and the camera's power supply brick), outside in the weather. Because, again, the provided cable is only 10-feet long. And the included power supply is not protected against the weather. It's either that, or mount the camera outside, close enough to a window to run the short power cable in though the window. Which may then damage the non-replaceable cable. And even if one manages to get the power brick inside, the chances of an outlet being near enough are next to none.This is Tapo's Achilles heal. There is no elegant way to power the camera at outdoor locations that might otherwise be the most ideal. Assuming, of course, that one has adequate Wi-Fi coverage outside, where the camera(s) need to be. PoE would solve both problems.Until such time if/when TP-Link addresses these issues, the C120 is best-suited to indoor use, or to very fortunate/clever outdoor installations. Maybe mount them inside of windows, with the understanding that the on-camera illuminators will be made useless by the glass. The Starlight sensor is pretty good, to a point, but reflections from indoor lights can be crippling, and in any case, one would need some outdoor lighting in order to get useful nighttime video.