Maria Diaz/ZDNETWhat's the deal?The Eufy Security Floodlight Cam E340 is on sale for $150, saving you 32%.Why this deal is ZDNET-recommendedThe Floodlight Cam E340 from Eufy Security, which I've been testing over the past five months, is one of the four newest security cameras that the company recently launched. It's equipped with an ultrawide and telephoto lens for capturing more distant subjects, and the camera works really hard. At times, too hard. Let me explain. details View at Amazon First, some housekeeping: The Eufy Security Floodlight Cam E340's wide-angle camera captures 3K-resolution video, while the telephoto camera records up to 2K resolution and can capture details up to 50 feet away.To test the Eufy Floodlight Camera E340, I replaced one of my backyard floodlights, which was already in the ideal position for surveillance. My husband and I turn on these lights each time we take the dog out at night or whenever we hang out on that side of the yard where the grill is. The lights got a lot of use, and replacing them with a floodlight camera was a no-brainer.Also: This Pro-level Ring Spotlight Cam is better than I expectedWe had previously set up aWyze Camand then the Arlo Pro 5S on the larger side of the yard, but until the Eufy Floodlight E340 came in, we hadn't found a solution that covered the whole space. A sped-up video showing how the Eufy Security Floodlight Cam E340 tracks motion. Maria Diaz/ZDNETSetting up the Floodlight Camera E340 was as easy as replacing an outdoor lighting fixture, especially since we were installing it with existing wiring. This camera requires a wired installation to work, so if you don't have existing wiring where you want to put the floodlight, you'd need to run electrical wires to that spot.Once the camera was installed, the rest of the installation process ran through the Eufy Security app. We already have a Eufy HomeBase 3 at home, a local storage and hub for this camera, but if this is your first Eufy camera, you'll need to buy one to work with the floodlight.Review: EufyCam 3 and HomeBase 3: Why I'm not getting rid of these cameras yetBecause it's connected to power and can be set up with expandable storage, it's possible for this floodlight camera to record 24/7, though you can also choose to record events only. Recordings can be stored on the HomeBase S380 or a microSD card of up to 128GB. With the HomeBase, you can expand the SSD support up to 16TB, which makes a big difference. The HomeBase 3 is the newest smart home hub for Eufy Security devices. Maria Diaz/ZDNETBy far, the most impressive feature of this camera is the level of coverage and image quality. Our yard extends into the woods, which can be pitch black at night. But even with the camera rigged up on my second floor and over 30 feet away from the fence, you can still clearly see details in the wooded areas, no matter the time of day.Also: This smart security camera impressed me in the most unexpected wayDay or night, I can see if a squirrel is bopping along the fence or a deer is strolling in the woods, and I expect a similar level of detail if there's ever an intruder in the distance. The camera tracks movement very well, keeping subjects in the frame as they move around different areas, which is essential for a large yard. Maria Diaz/ZDNETThe one downside to the Floodlight Cam E340, which I alluded to before, is that it used to get too many false alerts for human detection. "Is this a person?" No, Eufy, that lawn chair on the deck is not a person, as I've told you ten times already today.The HomeBase 3 uses AI to detect humans, learn to recognize individuals and detect vehicles, pets, and any other moving objects.Also: I've tried many smart locks, but the one I keep on my door is $150 on AmazonThe Floodlight Cam E340 unit I tested erroneously detected a human on our deck and a mulch path as often as every two minutes when no one was there; it's amazing if you believe in ghosts! The excessive amount of alerts was enough for me to see a noticeable dip in battery life on my iPhone and Apple Watch. And I'm sure my elderly neighbors don't appreciate the human detection alarm going off at 7:15 a.m. Saturday morning. The notifications (left) of human detection every two minutes and a screenshot of the detected "human" on the right. Maria Diaz/ZDNETI've been tackling the issue by reporting the erroneous detections via the Eufy Security app, which we've occasionally done to discourage the camera from misunderstanding what's human. More effectively, I reduced the sensitivity of the motion detection feature to the lowest available, which yielded roughly one false alert every hour rather than every two minutes. It made a big difference.There's also an option to silence the notifications temporarily while still recording events, but this detracts from the purpose of a surveillance camera.Also: I tested this $40 security camera from Amazon and it now has a place in my homeI'm happy to report that, while this wasn't a dealbreaker for me, the Floodlight Cam E340 cleaned up its act, whether via over-the-air firmware updates or by "learning" from my reports. I now keep the E340 with a medium level of motion sensitivity and don't get any false alerts.ZDNET's buying adviceMy experience with the Eufy Security Floodlight Cam E340 has overall been positive. I love seeing my yard in 3K resolution and getting an awe-inspiring level of detail from so far away. The 2,000lm brightness alone competes with some best-selling PAR38 bulbs, and it can be set to ambient lighting on a schedule or automatically from dusk to dawn.At $170, you get a lot of bang for your buck with a system you never have to pay monthly fees on, charge, or replace batteries. It also includes a motion-tracking duo of high-resolution cameras. If you don't want to spend extra on the HomeBase S380, you can add up to 128GB of storage to the camera on a microSD card.Since Eufy Security fixed my one issue with the human detection alerts, the Floodlight Cam E340 has become the best outdoor security camera I've ever tested, bar none.Featured reviews