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eufy Security
eufy FamiLock S3 Smart Lock With Palm Vein Recognition - Keyless Entry Door Lock for Front Door, 3-in-1 Wi-Fi Keypad Deadbolt+ 2K HDR Camera+ Doorbell, ANSI/BHMA Grade 1, Motion Sensor, No Monthly Fee Palm Vein + Video
4.3
Based on 338 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Brand
- eufy Security
- Special Feature
- 2K Full HD Head-to-toe View, Auto-Lock, DualPower System, Wave to unlock with Palm, Works with Smart Home Platforms
- Lock Type
- Deadbolt
- Item dimensions L x W x H
- 3.07 x 1.22 x 7.87 inches
- Style
- Palm Vein + Video
- Color
- Black
- Number of Pieces
- 1
- Included Components
- Interior Assembly, Rechargeable Battery & AAA Batteries x 4, Exterior Assembly, Physical Keys, Deadbolts & Deadbolts Screws
- Controller Type
- Apple HomeKit, Amazon Alexa, SmartThings, iOS, Android
- Shape
- Rectangular
- Item Weight
- 2.45 Kilograms
- Control Method
- App
- UPC
- 194644232672
- Model Name
- T85V01Y1
- Manufacturer
- eufy
- Part Number
- T85V0
- Item Weight
- 5.39 pounds
- Product Dimensions
- 3.07 x 1.22 x 7.87 inches
- Item model number
- T85V0
- Batteries
- 4 AAA batteries required. (included)
- Power Source
- Battery Powered
- Installation Method
- Self-Adhesive
- Special Features
- 2K Full HD Head-to-toe View, Auto-Lock, DualPower System, Wave to unlock with Palm, Works with Smart Home Platforms
- Batteries Included?
- Yes
- Batteries Required?
- Yes
- Battery Cell Type
- Lithium Ion
- ASIN
- B0DTHVNNXQ
- Customer Reviews
- 4.3 4.3 out of 5 stars 338 ratings 4.3 out of 5 stars
- Best Sellers Rank
- #10,523 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #55 in Deadbolts
- Date First Available
- April 14, 2025
- Brand
- eufy Security
- Special Feature
- 2K Full HD Head-to-toe View, Auto-Lock, DualPower System, Wave to unlock with Palm, Works with Smart Home Platforms See more
- Lock Type
- Deadbolt
- Item dimensions L x W x H
- 3.07 x 1.22 x 7.87 inches
- Style
- Palm Vein + Video
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About the Author
Expert analysis by Victor Lorne

Victor Lorne
Expert ReviewerAssociate Editor
Victor spotlights small makers and practical upgrades at Review Atlas: hand‑thrown mugs, custom shelving, and clever storage that transforms tight spaces. He cares about finish quality, hardware, and the story of how things are made. His approachable guides blend handmade character with everyday durability.
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View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Victor Lorne
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Tools & Home Improvement testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed
