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Compare retrofit locks, replacement deadbolts, and handle-style options before changing hardware, keyways, or keypad access on an existing door.
TCL D2 Pro AI Palm Vein Smart Lock with Built-in Doorbell: AI Palm Vein Recognition
Say hello to the TCL Smart Lock D2Pro, your home's new best friend. It's not just smart; it's practically psychic, thanks to that nifty AI Palm Vein Recognition tech. No keys, no fingerprints, just wave your hand (yes, even if it's wet or dirty—kids, we're looking at you) and you're in. Plus, it's got a built-in doorbell because, let's face it, who needs more gadgets cluttering up the porch?
Worried about battery life? Don't be. The 10,000mAh rechargeable lithium battery is like the Energizer Bunny—it keeps going and going (up to 12 months, to be exact). And with the TCL mobile app, you're the boss. Hand out access like candy, keep an eye on who's coming and going, and get pinged the second someone even looks at your door funny. Forgot to lock up? The auto-lock's got your back. Because remembering things is so last century.
Features
- Built-in Doorbell
- Long-Lasting Rechargeable Battery
- Remote Control Via App
- Real-Time Notifications
- Auto Lock Function
- AI Palm Vein Recognition
General specs
- Brand: TCL
- Model: D2 Pro
- Seller: Amazon
- ID: B0F89VH168
- style: Contemporary
- Material: Aluminum
- Lock Type: Biometric, Deadbolt, Combination Lock
- Controller Type: Google Assistant, Amazon Alexa, iOS, Android, iPadOS
- Special Feature: Touchscreen, Doorbell, AI Palm Vein, Rechargeable, Auto-Lock
- Batteries Included: No
- Batteries Required: Yes
- Connectivity Protocol: Wi-Fi
- First listed by seller: 6/23/25
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
$169.99
Free shipping
New
Third-party seller
FBA
Shippable
Offers updated: 6/3/26
Price History for seller Amazon
Shipping options
Delivery to 
Russia
Russia
Available
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TCL D2 Pro AI Palm Vein Recognition
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| Brand | TCL | Lockin | Lockin | Lockin | GHome Smart | VENOTECH |
| Model | D2 Pro | LKMSD551 | Veno Pro | LKMSD411A | KD10 | DL001 |
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| Rating |
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| Price | $169.99 | $229.99 | $349.99 | $179.99 | $82.93 | $269.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 27, 2026 | May 15, 2026 | Apr 8, 2026 | May 24, 2026 | Mar 21, 2026 | Mar 21, 2026 |
| Material | Aluminum | Zinc Alloy | Zinc | Zinc | Zinc | Aluminum |
| Lock Type | Biometric, Deadbolt, Combination Lock | Biometric, Deadbolt, KeypadBiometric | Biometric, Deadbolt | Palm Vein Smart Lock, Biometric, Smart Lock Deadbolt | Biometric, Keypad | |
| Special Feature | Touchscreen, Doorbell, AI Palm Vein, Rechargeable, Auto-Lock | Motion Sensor, Night Vision, HD Definition, Palm Vein, Auto-Lock, One-Touch Lock | Pincode Unlock, Weather Resistant, Anti-Bump, Auto-Lock, Palm Vein&Fingerprint Recognition | Touchscreen, Anti-Drill, Passcode Unlock, Alarm, Auto-Lock | ||
| Batteries Included | No | Yes | Yes | No | ||
| Batteries Required | Yes | Yes | No | |||
| Connectivity Protocol | Wi-Fi | Bluetooth, Matter, Wi-Fi | Bluetooth, Matter, Wi-Fi, Thread | Bluetooth, Wi-Fi | ||
| Battery Cell Type | Lithium Polymer | Lithium Polymer | Lithium Polymer | |||
| Included Components | Interior Assembly, Exterior Assembly | Front Plate, Back Plate, Latch, Hardware Assembly, 7800mAh Rechargable Battery, Physical Key, Hole Opening Diagram, User Manual | 3* Keys, 1* Installation Instruction, Screws, 1* Smart Palm Vein Door Lock | |||
TCL D2 Pro AI Palm Vein Recognition
$169.99
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