YEEUU S1 Smart Door Knob

Recently I wrote about a super safe door lock called UL300. Even though it is ultra-safe, the lock is very expensive making it a high ticket product. So while I was searching for an affordable smart lock, S1 came into my notice. S1 is a smart door lock from Yeeuu Tech, a Chinese company that has produced some of the coolest door locks in the past.

S1 smart lock has eight access methods, which makes it easy for you to get inside no matter how you prefer to unlock it. You can control it with your phone, your fingerprint, or by using a password. The lock is connected to wi-fi, allowing you to have total control over it no matter where you are. You can adjust the permissions with it and make sure that the right people are getting into your house at all times.

You don’t have to worry about the lock being out in the elements because it is a waterproof smart door lock. It is easy to use the lock, and when you have guests over and want to let them inside, you can do that even if you aren’t near the door. You can control it from anywhere and know who is getting into your home with a notification on your phone. This will give you peace of mind when you give someone else access to the house because you can see who is there at all times even when you’re away from home.

Having a smart door lock with NFC is a good choice for your house because it can work with your smartwatch, phone, or any other NFC supported device including NFC tags that are available on Amazon for like a dollar or two. Costing well under $100, the YEEUU S1 smart lock is a great option if you are looking for a cheap and best door lock with smartness!


  • 8 Ways of Operation
  • Waterproof
  • Mechanical Key in case of Emergency
  • 12 Months Battery Backup

Editor's Rating
4.6 / 5 Ratings

Editor's QuoteThis door lock is not only affordable but also feature packed
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