eufy Security Entry Sensor, Detects Opened and Closed Doors or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use Only, Requires HomeBase, 24/7 Monitoring Optional

This is the second unit that I have bought. The first was about 4 years ago probably when eufy first brought it out. I was pleased with it then and am still. The device has proven to be completely reliable. I decided to alarm the my outside garage door which is used by service personnel on a regular basis.Mounting the two pieces was easy using the applied sticky pads. The sensor/transmitter per the instructions can be attached with screws. The two pieces can be installed on any standard and patio doors.The audio alert can be heard throughout my house as the volume and signal can be set in the app. The eufy home base and app allows me to receive notices on my phone when away.The sensor/transmitter uses a not so common battery that is said to last 8 months. I've changed the battery in my original unit once in 4 years.I've installed another manufacturer's door and window sensors in another house. The unit is much smaller and uses 2032 batteries that in my experience don't seem to last as long as the eufy battery. On a door the eufy size is not a problem.I can recommend it as I just bought my third unit.

Sensor works very well.

The media could not be loaded. I bought 3 of these after our home was robbed. They work great and communicate very well with the home base unit, very responsive. As soon as a door opens, you’ll hear the chime.One thing to note is that the little unit is magnetic in addition to having 3M tape, so if your doors aren’t magnetic, you will need to stick it on. The large unit must be stuck on with 3M tape only. You can see what I mean in the video.Great product! 5/5.

Eufy Security ReviewI’ve put a lot of time into researching alarm systems. I used to work for an alarm system company and believe in home managed “smart” systems. Eufy caught my eye after a lot of great reviews on the doorbell. I decided to keep all my sensors and cameras within the same system to keep it easier to manage. After having it for 8 months now: I’ll go over the pros and cons of this system from my experience. My system includes: 2k Wireless Doorbell Cam, Door/window sensors, Motion sensors, Eufycam 2c (wireless) version, Eufy Cam 2, and a 2k Indoor Cam Pan and Tilt. I have been testing most cameras on the highest sensitivityPros:1. Won’t drain your wifi: We have relatively low bandwidth, a decent amount of smart devices, and Eufy works well most of the time! The range is good too I have one camera in the backyard away from the house and it streams well.2. Local recording: Peace of mind knowing someone at the company or something isn’t watching you.. I hope, haha.3. Installation and setup: Don’t know how it could be easier.4. Interface is easy to use and setup to customize5. Battery on dedicated Cameras - The version 2 camera really did last 6 months before I had to charge it, and I had high sensitivity most of the time. The 2C cameras are good, but not quite as advertised. The doorbell is the worst and I have to charge is about every 2-3 weeks.Cons:1.) Motion detection - this is my biggest issue with the system as its part of most of the products use this hardware to trigger alerts or record.- Detection/reach is NOT 30 feet. I’ve measured on multiple cameras and it rarely picks up anything that far away. Usually starts recording at about 10-15 feet (so half?!). Not great.- People and dogs? Nope. It will often go off with cars, leafs blowing by, when a cloud moves and the suns sines through brighter than the second before, and more. This can be very frustrating, especially when you have it set to “human only” mode. WHAT HUMAN CAN MOVE 35 mph and is 12 feet long? Or what human is 3 inches big and brown…i.e a leaf? Haha.- Slow: If someone hurries up to your door or by the camera, it won’t pick it up. I get a lot of recording of back of heads as UPS folks are going away.-Sometimes misses obvious ones: A family member will walk by a camera 10 ft away in the middle of the day, or go to their car and nothing will have been triggered. Kinda scary. This is especially odd since I’ll get 3 triggers a day from a gust of wind, but not a person walking by… I don’t get it.2.) False Alarms. This is mostly a product of the motion detection and mentioned above. The scariest in when you have the alarm set to “away” in the middle of the night. The heater turns on in the basement and a “motion detection” alarm goes off. You spring out of your bed… oh crap, someone is in the basement?? Grab a gun, wife runs to grab kids… your adrenaline is running high at 2am and… nothing (thankfully). Have that happen a few times with a camera, or motion sensor and then it becomes a boy who cried wolf situation. Scary when you actually need to be alarmed though you’ve built up a tolerance. But hey, now I’m getting good at “sweeping” an area much like a SWAT team I see in the movies? Haha3.) Default evening motion detection is set to “all things”. So if cars go by, you’ll have to turn off notifications or else you’ll get a LOT, all night.4.) Doorbell Battery life: if you want to monitor well, it dies quickly. Again, it picks things up late in my experience so I have to have it on high sensitivity or it misses obvious things. And yes, I’ve tried placing it in different spots.5.) Image quality not as advertised- for “2k” on some of these cameras, it’s not like the advertisements where you can zoom in and clearly see a license plate or something haha. Faces are pretty good, but it’s not thaaaat great. Better than others for sure, but still not what you’d expect for what seems to be the highest def in the consumer wireless market.6) Incomplete Security items: These are bonuses, but a fire-alarm, flood sensors, or other items that would make it complete. This includes monitoring service. Would be great to have IF you go away on vacation for a week. I’d pay for it. Lastly, I love that a certain competitor has a cell signal incase wifi goes out.7) Indoor cam has its own security settings. Why is this separate? Just treat as another 2c, or version 2 camera.Conclusion: I had high hopes for this system. Other systems seems to be less compatible with google home, or charge money to use the cloud, or don’t locally record, etc…. It seems there is not a perfect complete system. This one is pretty good If I were to do it again I would just use the doorbell and maybe door/window sensors. I then would get the cameras and motion sensors from a different company and hope I can bridge it all to a google home or something.

Still have this sensors and they works smoothly

Works great and compatible with my current eufy system.

Move over Hollywood, because my home just got a taste of the spotlight with the eufy Entry Sensor! I've never seen doors and windows put on such a performance. It's like they're auditioning for "America's Next Top Security Star."Alerts? Oh boy, hold onto your hats because these notifications don't just knock, they rap on your phone like it's a talent show finale. "Open sesame" has nothing on the eufy Entry Sensor's "ALERT, ALERT, everyone, the door's in action!"And let's talk about that siren. I half-expected it to start reciting Shakespearean monologues. "To sound, or not to sound, that is the question." It's like my home has a built-in DJ, and it's playing the "Dramatic Door Dilemma" remix.The 2-year battery life is like that one friend who's always there for you, no matter what. "I got your back, buddy, for 730 days straight!" I wouldn't be surprised if it starts sending you motivational quotes – "Hang in there, I'm still kicking!"Just remember, this indoor sensation requires a HomeBase to channel its inner superstar. And if you're ready to take the security show to a whole new level, go ahead and add that optional 24/7 Protection Service – because when it comes to safety, it's time to go big or go home.So, if you're ready to turn your doors and windows into the ultimate drama queens, the eufy Entry Sensor is your VIP pass to a security spectacle that's part comedy, part thriller, and all-around hilarious. Bravo, eufy, bravo! 🎭🎉

Mighty door sensor! The adhesive sticks on my door and triggers the Eufy Homebase 2 every time the door open and closes.