Smart Door Locks
smart door locks — pre-owned
Browse 866 smart door locks — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

eufy FamiLock S3 Max Smart Lock Keyless Entry Door Lock Palm Vein Recognition
What kind of doors are eufy FamiLock S3 Max compatible with?. Compatible with most standard doors, door thickness:35-55 mm. Palm Vein Unlocking: Advanced Security with 99.9% Accuracy. Achieve recognition in just 0.6 seconds with cutting-edge, forgery-proof palm vein recognition.
You save $122.00

eufy S330 Video Smart Lock Wi-Fi Camera Doorbell Fingerprint Keyless Door Lock
How to unlock Video Smart Lock S330 when the battery dies?. Does the lock still work with a key if out of power?. What kind of door is Video Smart Lock S330 compatible with?. What's the difference between Video Smart Lock S330 and E330?.
You save $180.00

eufy E330 Smart Lock+ Chime Touch &Wi-Fi Fingerprint Keyless Door Lock Deadbolt
Recognizing your fingerprint in less than 0.4 seconds, the video doorbell opens your door easily and efficiently. You can also unlock the door with the eufy Security app, Alexa or Google Voice Assistant, built-in keypad or the included keys.
You save $160.00

eufy FamiLock S3 Smart Lock Palm Vein Recognition Keyless Entry Door Lock Wi-Fi
Which eufy devices and systems are eufy FamiLock S3 compatible with?. What kind of doors are eufy FamiLock S3 compatible with?. Compatible with most standard doors, door thickness:35-55 mm. It supports the Matter protocol.
You save $140.00

eufy Security Smart Lock C30 Keyless Entry Door Lock Deadbolt Auto-Lock |Refurb
It's not compatible with these services yet. Smart Lock: Easily open your door using a physical key, voice commands with Alexa/Google Assistant or a physical button. The 15-minute DIY installation requires no drilling.
You save $34.00

eufy Security Smart Lock C220 Fingerprint Keyless Entry Door Lock Built-in Wi-Fi
Easy setup. Self-learning AI: Fingerprint door lock recognition gets more precise with every touch, so you don't have to try agian and again to get in. 【6 Ways to Unlock】Unlock with a touch for less than 1s with fingerprint lock.
You save $90.00

eufy Smart Lock C33 Wi-Fi Fingerprint Keyless Entry Door Lock with Handle|Refurb
It's not compatible with these services yet. The lock remains operational throughout the year, ensuring continuous protection. This lock only supports the encrypted NFC cards officially provided by eufy.
You save $76.40

eufy FamiLock E34 Smart Lock Palm Vein Recognition Keyless Entry Door Lock Wi-Fi
What kind of doors is eufy FamiLock compatible with?. It's compatible with most standard doors (35-55 mm thick). Palm Vein Unlocking: Unlock with cutting-edge security, featuring 99.9% accuracy and ultra-fast recognition in just 0.6 seconds.
You save $170.00

eufy Smart Lock E31 Fingerprint Door Lock with Apple Home Ecosystem Auto Lock
This is a necessary condition for all matter devices to integrate with these platforms. A:Yes, this smart lock is compatible Matter over thread. Backset: 2 3/8 in or 2 3/4 in. A hole: 1 in. Door thickness: 1 3/8 in - 2 1/6 in.
You save $90.00

eufy Smart Lock C220 Fingerprint Keyless Entry Door Lock Built-in Wi-Fi Deadbolt
Easy setup. Self-learning AI: Fingerprint door lock recognition gets more precise with every touch, so you don't have to try agian and again to get in. 【6 Ways to Unlock】Unlock with a touch for less than 1s with fingerprint lock.
You save $80.00

eufy Security Smart Lock 5-in-1 Keyless Entry Door Lock Built-in WiFi Deadbolt
Avoid separate bridges with complex installation. It works with eufy doorbell. Easy setup. No difference between C210 and E110. 5 Ways to Unlock: Open your smart lock via the eufy Security app, using the keypad or physical key, from Apple Watch, or use your voice with Alexa/Google Voice Assistant.
You save $34.00

eufy Security Video Smart Lock E330 3-in-1 2K Camera+Doorbell+Door Lock |Refurb
How to unlock Video Smart Lock E330 when the battery dies?. Does the lock still work with a key if out of power?. What kind of door is Video Smart Lock E330 compatible with?. What's the difference between Video Smart Lock S330 and E330?.
You save $130.00

Yale Assure Lock 2 Plus Smart Door Lock YRD450-N
You will receive one in similar condition to the one in the photos with one of the serial numbers listed above. Functionality condition: This device is in fully working, used condition. It has been tested to ensure all aspects are working as they should.

Yale Assure Lock 2 Touch Keypad Biometric Satin Nickel Bluetooth Wi-Fi *Keyed*

AUGUST WI-FI SMART LOCK | 4TH GENERATION | SILVER | ASL-04
1X AUGUST WI-FI SMART LOCK (4TH GENERATION). MODEL/TYPE: WI-FI SMART LOCK (4TH GEN). SECURITY: FEATURES AUTO-UNLOCK TECHNOLOGY, GUEST ACCESS KEYS, AND A 24/7 ACTIVITY FEED VIA THE AUGUST APP. COLOR: SILVER.

TMEZON Smart Door Lock Fingerprint, Keyless Entry Door Lock with Handle APP
The door lock supports to add 50+ fingerprints, 100 pcs IC cards. Let’s make your life more convenient and secure without keys. [Voice Guide Easy Installation]: The door knob lock is designed to fit most US standard left handed and right handed doors, which can be easily installed with no drilling.

eufy Security Smart Wi-Fi Lock Touch Fingerprint Keyless Entry Door Lock|Refurb
Note: Because young children and the elderly have fewer fingerprint features, it is more difficult for fingerprint scanners to identify their fingerprints. Easy to Install: Install Smart deadbolt lock in just 15 minutes, all by yourself, using only a screwdriver—saving you money on calling a contractor.
You save $126.50

eufy Security Smart Lock Touch Fingerprint Keyless Entry Door Lock Wi-Fi
Eufy Security Smart Lock, Fingerprint Door Lock, Keyless Entry Door Lock, Smart Door Lock, One-Year Battery Life, Touchscreen Keypad, BHMA Certified, IP65 Weatherproofing [Certified Refurbished]. Eufy Wi-Fi Smart Lock only connects to 2.4GHz networks.
You save $136.50

eufy Smart Lock E30 Fingerprint Door Lock Apple Home Ecosystem Auto Lock WiFi
This is a necessary condition for all matter devices to integrate with these platforms. A:Yes, this smart lock is compatible Matter over thread. Backset: 2 3/8 in or 2 3/4 in. A hole: 1 in. Door thickness: 1 3/8 in - 2 1/6 in.
You save $90.00

TMEZON Smart Door Lock Wi-Fi Fingerprint Keyless Door Lock with Handle Free APP
The door lock supports to add 50+ fingerprints, 100 pcs IC cards. Let’s make your life more convenient and secure without keys. [Voice Guide Easy Installation]: The door knob lock is designed to fit most US standard left handed and right handed doors, which can be easily installed with no drilling.
You save $9.36

Schlage Sense Smart Deadbolt Century Trim Satin Nickel BE479 CEN 619 Door Lock

eufy Security Smart Lock C30 Keyless Entry Deadbolt Built-in WiFi(Alexa-Enabled)
It's not compatible with these services yet. Smart Lock: Easily open your door using a physical key, voice commands with Alexa/Google Assistant or a physical button. The 15-minute DIY installation requires no drilling.
You save $24.00

Smart Lock Kwikset Halo Wi Fi Keyless Keypad Deadbolt Satin Nickel
Lock has been tested to ensure working condition.
You save $10.50

eufy C30 Smart Keyless Entry Door Lock Built-in Wi-Fi Deadbolt Auto Lock |Refurb
It's not compatible with these services yet. Smart Lock: Easily open your door using a physical key, voice commands with Alexa/Google Assistant or a physical button. The 15-minute DIY installation requires no drilling.
You save $26.00

Lockly Secure Link Wi-Fi Hub PGH200
Used indoors and still works. Only selling because I moved and don't use the Lockly locks in the new location.

Schlage Lock Smart Lock WiFi Accent Lever Smart Lock Keypad Only No Handle
Keypad Only, see photos

Aceele B07 Wi‑Fi Keypad Smart Door Lock Matte Black w/ NFC Card & Keys
The Aceele B07 Wi-Fi Keypad Smart Door Lock in Matte Black offers modern and secure access to your door. With features like an electronic doorbell, app remote control, and Wi-Fi connectivity, this smart lock provides convenience and peace of mind. The package includes an NFC card, backup keys, fixings, and an instruction manual, making installation and use easy. The sleek black metal design and rectangular shape complement any home's aesthetic, while the brand reputation of no ensures quality and reliability. Upgrade your home's security with the Aceele B07 Smart Door Lock. I think that this is a returned item. You are buying it as is.

AUGUST CONNECT MD-01 BLE RADIO MODULE REPLACEMENT FOR SMART LOCK 2AB6UMD01
Tested and working.

TMEZON Smart Fingerprint Door Lock Biometric Door Lock with Handle Bluetooth APP
The door lock supports to add 50+ fingerprints, 100 pcs IC cards. Let’s make your life more convenient and secure without keys. [Voice Guide Easy Installation]: The door knob lock is designed to fit most US standard left handed and right handed doors, which can be easily installed with no drilling.

Level Connect Wi-Fi Bridge C-S11U Accessory for Smart Locks
The serial numbers for each item are recorded in the database. Used - Very Good.

Yale Assure Lock 2 Plus Keypad Smart Lock Black Suede Wi-Fi Alexa Google
TAP. UNLOCK. YOU'RE HOME. Yale Assure Lock 2 Plus makes key-free access easier and more secure than ever before. Using Apple home keys, a simple tap with your iPhone or Apple Watch is all it takes to lock or unlock your door- and for even faster access, add your Home Key to your Apple Wallet app with Express Mode enabled. Remotely let people in, lock up, send custom entry codes, and track who comes with real time notifications from anywhere through the Yale Access app

ULTRALOQ U-Bolt WiFi Smart Lock Tested, Needs Account Release READ See VIDEO
The response from the manufacturer is shown in the photographs. This will allow you to get the fully functional Wi-Fi enabled thumbprint lock for a fraction of the cost new. Exactly the lock and components shown in the photographs.

Nest x Yale Keypad Only Oil Bronze/Black Part Lock Smart Deadbolt Keyless Entry
Yale Assure Lock replacement keypad features a sleek black finish with a backlit touch interface for secure home access. This exterior component is designed for compatibility with Yale Assure series smart locks, offering a modern aesthetic and reliable performance. The unit includes the necessary wiring harness for connection to the interior lock body. Keywords: Smart Home, Security, Keyless Entry, Digital Lock, Replacement Part, Home Improvement, Yale Assure, Touchscreen, Backlit, DIY, Hardware, Electronic Lock, Secure Access, Modern Home, Tech Accessory

Kwikset Home Connect 620 Z-Wave Plus Smart Lock Satin Nickel 98920-001
As shown. Might be new!
You save $12.00

eufy Smart Lock C30 Keyless Entry Lock Built-in WiFi Deadbolt Auto Lock |Refrub
Pair with a eufy doorbell to seamlessly integrate your smart lock into daily routines. It's not compatible with these services yet. Easily open your door using a physical key, voice commands with Alexa/Google Assistant or a physical button.
You save $24.00

SimpliSafe SSPP1 Smart Door Lock PIN (Keypad Replacement ONLY, NEED RESET)
Item powers up, but not tested with a door lock unit. Item total weight: 2.2 oz. The item shown in the photos is the exact item you will receive. Item was pulled from a working set up. Serial Number: 01057863.

Smart Door Lock Fingerprint Keyless Entry Digital Keypad Deadbolt Bluetooth APP
【Easy Installation in Minutes, No Drilling Required 】Anybell Smart Lock auto-detects left/right-swing doors—no manual tweaks needed. Designed for quick DIY setup, this smart door lock doesn't require drilling new holes (fits 38-54mm holes, 35-55mm door thickness) —it easily replaces your existing deadbolt using just a screwdriver.
You save $17.61

eufy Smart Lock C210 Keyless Entry Touch Lock Built-in WiFi Deadbolt App Control
Avoid separate bridges with complex installation. Easy setup. Open your front door lock via the eufy Security app, using the keypad or physical key, from Apple Watch, or use your voice with Alexa/Google Voice Assistant.
You save $45.00

EUFY SECURITY SMART LOCK BLUETOOTH ELECTRONIC DEADBOLT ENTRY - BLACK
BLACK - EUFY SECURITY SMART LOCK BLUETOOTH ELECTRONIC DEADBOLT ENTRY. • Keyless Smart Door Lock. • Residential, Security Door. • Style: Modern.

Schlage Connect BE469NX CEN 622 Touchscreen Keypad Smart Lock w/ Latch & Strike
Like new. Opened and tested. Never installed. Includes key. The Schlage Connect BE469NX CEN 622 Touchscreen Keypad Smart Lock is a sleek and modern door lock that offers advanced security features. Made of durable metal with a matte finish, this black Keypad Smart Lock includes a latch and strike for easy installation on any door. The touchscreen interface allows for convenient access control, making it suitable for residential or commercial use. The Schlage Connect model ensures peace of mind with its smart technology and reliable performance.