SmarDeer Fingerprint Smart Lock Knob – Tuya App & Keypad

SmarDeer Smart Fingerprint Lock Knob – 4-in-1 Keyless Entry for Indoor Doors

Upgrade your home security with the SmarDeer Fingerprint Lock Knob (Model L3002-TY-BT) — a sleek, aluminium-alloy smart door lock that replaces your traditional knob in just 5 minutes. Compatible with the Tuya Smart platform, this lock gives you four convenient ways to enter: biometric fingerprint scan, digital keypad passcode, Bluetooth via the Tuya app, or a physical backup key. Made in Mainland China.

4 Ways to Unlock — Your Door, Your Choice

• Fingerprint: Stores up to 100 unique fingerprint IDs for instant, touch-based access.
• Digital Keypad: Supports up to 100 sets of 6–10 digit passcodes — perfect for family members, housekeepers, or temporary guests.
• Tuya App / Bluetooth: Lock and unlock remotely, manage access logs, and control settings from your smartphone via the Tuya Smart app. Add an optional smart gateway for true remote access from anywhere.
• Mechanical Key: Two physical backup keys included for peace of mind.

Smart Features That Work for You

• Auto-Lock: Automatically locks within 5 seconds; adjustable delay time via the Tuya app.
• Three Lock Modes: Normal Mode, Passage Mode, and Privacy Mode — set the right mode for any situation.
• Type-C Emergency Power Port: Battery run out? Use any standard power bank to power the lock instantly — no lockouts.
• Direction Reversible Handle: Works seamlessly on both left-handed and right-handed standard doors.
• Oil-Rubbed Finish: Durable aluminium alloy construction with a refined oil-rubbed finish for a premium look.

Easy DIY Installation

No locksmith needed! Install in as little as 5 minutes with just a screwdriver. Fits standard wooden doors with a thickness of 35–55 mm. All mounting accessories are included in the box.

Key Specifications

• Brand: SmarDeer
• Model: L3002-TY-BT
• Material: Aluminium Alloy
• Smart Platform: Tuya
• Power Source: Dry Battery + Type-C Emergency Port
• Door Compatibility: Wooden doors, 35–55 mm thickness
• Fingerprint Capacity: 100 IDs
• Passcode Capacity: 100 codes (6–10 digits)
• Connectivity: Bluetooth (Wi-Fi remote with optional gateway)
• Finish: Oil Rubbed
• Origin: Made in Mainland China

For guidance on home security best practices, visit the U.S. Consumer Product Safety Commission (CPSC) for safety standards and product recommendations.

Frequently Asked Questions

Q: Does the SmarDeer fingerprint lock knob require Wi-Fi to work?

A: No — the SmarDeer L3002-TY-BT operates via Bluetooth in its standard configuration, meaning it works within Bluetooth range of your smartphone through the Tuya app. For full remote access over Wi-Fi from anywhere, you can pair it with an optional Tuya-compatible smart gateway (sold separately).

Q: What doors is this smart lock compatible with?

A: This lock is designed for standard wooden indoor doors with a thickness of 35–55 mm. The handle direction is reversible, so it fits both left-handed and right-handed door setups. It is not waterproof and is recommended for indoor use only.

Q: What happens if the battery dies — can I still get in?

A: Yes! The SmarDeer fingerprint lock features a built-in Type-C emergency power port. Simply hold a charged power bank against the port to temporarily power the lock and enter using your passcode or mechanical key. Two physical backup keys are also included in every package.

Q: How many people can be registered on this fingerprint door lock?

A: The lock supports up to 100 fingerprint IDs and 100 digital passcodes (each 6–10 digits long), making it ideal for households, home offices, or shared spaces with multiple users.