IRONZON 191Y 4-in-1 Smart Fingerprint Door Handle with App Control
- 【4-in-1 Unlocking System】No more worrying about lost or forgotten keys. Your fingerprint is always with you and cannot be duplicated without permission. This smart door knob supports fingerprint (up to 50 users), passcodes (up to 100 users), app control (gateway required for WiFi), and 2 backup keys for secure and flexible access.
- 【Privacy-Focused Design】All fingerprint and app data are stored locally only, with no cloud upload. When paired with the Tuya Gateway (ASIN: B0DBVDSG9M), you can enable remote control and unlocking via smartphone. Ideal for homes, apartments, offices, bedrooms, and garages.
- 【Easy Installation & Low Maintenance】Designed to fit standard U.S. doors, with a clear manual and installation template included. Compatible with both left- and right-handed doors. Alkaline batteries are recommended for stable performance.
- 【Convenient Keyless Access】Create temporary passcodes for guests, cleaners, delivery personnel, or Airbnb visitors. Codes expire automatically—no need to share physical keys. Backup options include mechanical keys, USB-C emergency power, and app access to prevent lockouts.
- 【Quick Mode Switching & Auto Lock】Easily switch between Privacy Mode and Passage Mode with a short press. Press and hold for 3 seconds to change lock modes. The lock automatically secures after 5–180 seconds, so your home stays protected.
- 【Complete Set & Support】Includes all components for installation—no extra tools needed. Comes with a quick guide and manual for fast setup. Backed by one-year technical support for a smooth and reliable experience.
Estimated shipping
Select a product to estimate shipping.Looking for a more secure and convenient way to enter your home? The IRONZON 191Y Smart Fingerprint Door Handle offers a keyless entry solution that’s both reliable and easy to use. This smart door knob combines multiple access methods for peace of mind and flexibility.
Key Highlights
- Secure & Versatile Access: Utilize fingerprint recognition (up to 50 users), passcodes (up to 100 users), and backup keys for multiple access options.
- Privacy Protected: Data is stored locally, without cloud uploads, ensuring your personal information remains secure.
- Remote Control: With a compatible Tuya Gateway, control and unlock your door remotely via a smartphone app.
- Easy Installation: Designed for straightforward installation on standard U.S. doors, with included instructions and a template.
- Temporary Passcodes: Create temporary passcodes for guests or service providers.
Useful Facts
- Brand: IRONZON
- Lock Type: Biometric
- Dimensions: 6.1 x 2.5 x 2.5 inches
- Material: Alloy Steel
- Warranty: 12-month exchange policy, 24/7 customer service, 30-day return policy
Good Fit For
- Homes and Apartments
- Offices
- Bedrooms
- Garages
- Any space where keyless entry is desired
Product details



Specifications
| Main Specification | |
|---|---|
| Included Components | Key, Smart Fingerprint Door Handle Set |
| Special Feature | Anti-Peeping Password, Auto-Lock, Back-Lit Keypad, Resettable |
| Manufacturer | IRONZON |
| Unit Count | 1 Count |
| Lock Type | Biometric |
| Item dimensions L x W x H | 6.1 x 2.5 x 2.5 inches |
| Control Method | App |
| Brand | Ironzon |
| UPC | 717235798595 |
| Number of Items | 1 |
| Model Name | IRONZON 191YB 4-in-1 Smart Door Handle |
| Number of Pieces | 1 |
| Material | Alloy Steel |
| Colour | Black |
| Item Weight | 5.28 Ounces |
| Product information | |
|---|---|
| Number of Packs | 1 |
| Technical Details | |
|---|---|
| Material | Metal |
| Special Feature | Auto-Lock |
| Manufacturer Part Number | LOC191YBUSIR |
| Material Type | Alloy Steel |
| Connectivity Protocol | Bluetooth |
| Brand | Ironzon |
| Item details | |
|---|---|
| Model Number | IRONZON 191YB 4-in-1 Smart Door Handle |
| Manufacturer Warranty Description | 12-month exchange policy, 24/7 customer service, 30-day return policy |
| Style | |
|---|---|
| Finish Types | Lacquered |
| Measurements | |
|---|---|
| Item Dimensions | 6.1 x 2.5 x 2.5 inches |
| Features & Specs | |
|---|---|
| Additional Features | Auto-Lock, Resettable, Anti-Peeping Password, Back-Lit Keypad |
| Others | |
|---|---|
| Item Highlight | One-tap Privacy Mode Setup, Keyless Bedroom Door Knob Smart Door Lock with Keypad, Auto-Lock Easy to Install - Black |
| Product Type | Door Knobs |
| Lock Keying System | Keyed Alike |
| Tags | |
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