Smart Door Knob with Keypad and Key - Keyless Entry 4 Pack

In this review of the Smart Door Knob with Keypad and Key, the bottom line is simple: it is a practical, budget-friendly keyless entry solution for bedrooms, rentals, and interior doors that need simple PIN access. The lock's biggest selling point is straightforward programming and flexible entry options - up to 50 user codes plus two physical keys and a USB backup - which makes it useful where multiple people need access without sharing a physical key. Installation is intentionally DIY and the detachable rubber grip gives a comfortable hold.

Key Features

• Keyless entry: Assign up to 50 customizable 1-15 digit codes so family or guests can enter without a key.
• Physical keys included: Comes with two metal keys and a solid lock cylinder for mechanical backup and added security.
• Durable construction: Premium metal body and plating finish deliver a heavy-duty feel that resists wear in frequent-use settings.
• Weather resistant: IP65 rating and wide operating temperature range let the lock survive rain, sun and extreme temperatures.
• Convenient power options: Four AAA batteries last up to about 18 months with low battery alerts and a type-C USB backup if batteries fail.
• User-friendly controls: Clear backlit keypad, passage mode for unlocked periods, and a silent mode option for quiet operation.

Who It's For

The Smart Door Knob is well suited to homeowners who want a simple, programmable lock for interior doors like bedrooms, home offices, or rental units where multiple short-term users need access. It also fits small offices or garages where a mechanical key plus quick code access is useful.

Those needing a high-security exterior front door solution with advanced smart features such as smartphone app control, remote access, or integration with home automation platforms should look elsewhere. Also, buyers who require certified commercial-grade deadbolts should consider a heavier-duty single-cylinder deadbolt system.

Pros & Cons

Pros

• Easy to install with only a screwdriver and clear fit for 1-3/8' to 2-1/2' doors.
• Simple programming and up to 50 user codes makes sharing access convenient.
• Solid build quality and included mechanical keys provide reliable backup.
• IP65 weather resistance and broad temperature tolerance for outdoor use on appropriate doors.

Cons

• Some users report occasional reliability issues over months of use, so long-term consistency can vary.
• It lacks advanced remote smart home integration found in Wi-Fi or Bluetooth locks.

Specifications

Compatibility	Fits doors 1-3/8' to 2-1/2' thick
Latch	Adjustable 2-3/8' or 2-3/4' latch
Code capacity	Up to 50 user codes, 1-15 digits each
Power	4 AAA batteries (approx 18 months) with type-C USB backup
Weather & temperature	IP65; works from -22F to 176F
Mechanical backup	Solid lock cylinder with 2 included keys
Finish & grip	Matte black plating with detachable silicone rubber grip

Our Verdict

The Smart Door Knob with Keypad and Key is a sensible value pick for interior doors, rentals, and small offices where multiple users need easy, programmable access. It combines a sturdy feel, mechanical backup, and practical weather resistance at a modest price; buyers who need remote connectivity or commercial-grade locks should consider other options, but for straightforward keyless entry this is a good, economical choice.

Frequently Asked Questions

How many user codes can be stored?
The knob supports up to 50 customizable user codes, each 1-15 digits long.

What happens if the batteries die?
Normal operation uses 4 AAA batteries with a low battery alarm, and a type-C USB port provides a temporary power backup if batteries are exhausted.

Can it be used on left- and right-handed doors?
Yes, the lock is reversible and fits both left- and right-handed doors that meet the stated thickness and latch dimensions.