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Smart lock fit
Compare retrofit locks, replacement deadbolts, and handle-style options before changing hardware, keyways, or keypad access on an existing door.
YOUDO US-PCB10KEY34 Smart Deadbolt Lock: Easy to install in 10 minutes
Ever fumbled with keys in the dark? The WELOCK Smart Deadbolt Lock is here to save your sanity (and your knuckles). It's not just smart; it's practically psychic, offering 5 ways to unlock—because who remembers just one password? From tapping in a code, waving your phone like a magic wand (Bluetooth, obviously), swiping an IC card, using a good old-fashioned key, or even a USB for those "I’ve tried everything" moments, you're covered. And it’s got your back with auto-lock, shutting the door behind you before you’ve even decided what to binge-watch next (7-14 seconds, to be exact).
Want to check if you locked the door from your couch? With WiFi remote access (just grab the gateway) and Alexa voice control, you can. Installation? A 10-minute affair with a screwdriver—no PhD required. It plays nice with most US standard doors and runs on 4 AAA batteries (sold separately, because life’s full of surprises). It’ll even whisper (or beep) when the batteries are low and offers a USB port for emergency power. FCC certified and tough enough to laugh in the face of extreme weather, this lock doesn’t just secure your door; it upgrades your life.
Features
- 5-in-1 unlocking methods
- WiFi remote access with gateway
- One-time pass code feature
- Auto-lock and notification
- Long battery life
- FCC certified
- 2 years product support
- Easy to install in 10 minutes
General specs
- Brand: YOUDO
- Model: US-PCB10KEY34
- Seller: Amazon
- ID: B0F23GWF1G
- Material: Stainless Steel, Silicone, Plastic, Metal
- Lock Type: Deadbolt, Combination Lock, Keypad
- Control Method: App, Remote, Voice
- Controller Type: Push Button, Mechanical knob, Amazon Alexa, iOS, Android
- Special Feature: Anti-Peeping Password, Passcode Unlock, Auto-Lock, Back-Lit Keypad
- Batteries Required: Yes
- Connectivity Protocol: Bluetooth, Wi-Fi
- First listed by seller: 6/9/25
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
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Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
$24.69
Free shipping
New
Third-party seller
FBA
Shippable
Offers updated: 6/15/26
Price History for seller Amazon
Shipping options
Delivery to 
United States
United States
Available
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| Brand | YOUDO | HEANTLE | GeekTale | Aqara | Veise | eufy Security |
| Model | US-PCB10KEY34 | A3-BBF | RD02 | DL-D05D | VE012W | T85D0 |
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| Price | $24.69 | $99.99 | $49.99 | $119.99 | $55.86 | $79.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 12, 2026 | Mar 21, 2026 | Mar 21, 2026 | May 24, 2026 | May 29, 2026 | May 29, 2026 |
| Material | Stainless Steel, Silicone, Plastic, Metal | Metal | Aluminum | Zinc | Metal | |
| Lock Type | Deadbolt, Combination Lock, Keypad | Biometric | Biometric | Biometric | Smart Lock, Deadbolt | Deadbolt, Keypad |
| Control Method | App, Remote, Voice | Remote | App, Touch | |||
| Controller Type | Push Button, Mechanical knob, Amazon Alexa, iOS, Android | Google Assistant, Amazon Alexa | Bluetooth | iOS or Android | ||
| Batteries Required | Yes | Yes | Yes | Yes | ||
| Connectivity Protocol | Bluetooth, Wi-Fi | Bluetooth | Bluetooth | Bluetooth, Zigbee | Wi-Fi | |
| Item Weight | 2.75 pounds | 11 pounds | 1.68 | |||
YOUDO US-PCB10KEY34 Easy to install in 10 minutes
$24.69
When this device makes sense
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