Covlor® Smart AI Door Lock CR L51-B
Original price was: ₹41,251.00.₹29,311.00Current price is: ₹29,311.00.
The Covlor® Smart AI Door Lock CR L51-B is the full-panel flagship of Covlor’s 3D Face ID range — the widest screen in the lineup paired with a full-height touch panel, built for main doors that deserve a commanding, premium lock.
- Widest 4.5″ IPS screen in the range with a full-height touch panel
- 3D face & palm recognition plus fingerprint ring on the push-pull handle
- Full keypad with card zone — PIN, RFID/NFC and doorbell in one panel
- 1 MP video intercom with 4.5″ interior display and quick controls
- Dual interior thumb-turns for privacy and child lock
- Tuya Wi-Fi app, USB-C + mechanical-key backup, 2-year warranty
Description
Covlor® Smart AI Door Lock CR L51 — B
The Covlor® Smart AI Door Lock CR L51-B is the full-panel flagship of Covlor’s 3D Face ID range — the widest screen in the lineup paired with a full-height touch panel, built for main doors that deserve a commanding, premium lock. Made to order and tested before shipping, with encrypted biometrics processed on the device.
Key features
- 4.5-inch interior display with three-button quick controls
- Triple-sensor face module for 3D face recognition and palm unlock
- Full keypad with card zone — PIN, RFID/NFC and doorbell in one panel
- Fingerprint ring on the handle, unlocked as you grip and push
- Dual interior thumb-turns for privacy and child lock
- Up to 300 users — 9 administrators and 291 users
Seven ways to open one door
Face and palm recognition are standard across the range, so every member of the household gets the easiest way in — plus reliable backups for everyone else: 3D Face ID for hands-free entry, contactless palm recognition, a 500 DPI fingerprint sensor, 6–8 digit anti-peep PINs, RFID/NFC cards, the Tuya Wi-Fi app, and a concealed mechanical key.
App control that keeps you in charge
The CR L51-B connects to the Tuya / Smart Life app over Wi-Fi, so you can unlock remotely, create and revoke time-limited guest passwords, receive real-time entry and tamper alerts, and review complete access logs from your phone — for up to 300 users across a home, flat or office.
Built to be depended on
A multi-point mortise and a concealed C-grade mechanical cylinder provide a trusted physical backup, while a 5V Type-C USB emergency port means a flat battery never locks you out — and the rechargeable 7.4V 5000mAh cell lasts for months between charges. Every lock is backed by a 2-year warranty with an online-verifiable digital warranty card.
Technical specifications
| Unlock methods | 3D Face ID, palm, fingerprint, PIN, RFID/NFC card, Tuya app, mechanical key (seven) |
| Screen | 4.5″ IPS colour |
| Finish & body | Matte black (also in Satin Silver) · aluminium alloy, 70 × 420 mm |
| Camera | 1 MP HD video intercom |
| Interior display | 4.5″ with three-button quick controls |
| Privacy | Dual interior thumb-turns · child lock |
| Fingerprint sensor | Semiconductor, 500 DPI · reaction ≤0.3 s |
| Recognition accuracy | False rejection ≤0.01% · false recognition ≤0.0004% |
| Users | 9 administrators + 291 users (300 total) |
| Password length | 6–8 digits, anti-peep, time-limited guest codes |
| Battery | 7.4V 5000mAh Li-ion rechargeable |
| Emergency power | 5V Type-C USB |
| Standard mortise | 6068 × 24 × 240 mm |
| Door thickness | 40–120 mm |
| Cylinder grade | C-grade (concealed mechanical key) |
| Working environment | −25°C to 60°C · 20–93% RH |
| Alerts | Anti-tamper, low battery, access logs |
| Warranty | 2 years, verifiable online |
Specifications are shared across the Covlor® 3D Face ID platform; mortise sizes, finishes and screen sizes can be specified per order and may change without notice.
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