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4-in-1 Smart Door Lock – Fingerprint, Keypad, App, Key

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Original price was: $39.99.Current price is: $26.99.

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Description

4-in-1 Smart Door Lock – Fingerprint, Keypad, App, Key

Model & Variants

  • Product: Smart Door Locks – Fingerprint Keypad Knob (Round Ball)
  • Color Options: Matte Black / Brown (detachable silicone handle sleeves)
  • Use: Interior / Exterior doors for homes, rentals, offices, apartments, hotels, garages, dorms

Access Methods (4-in-1)

  • Fingerprint: Capacitive biometric sensor
  • PIN / Keypad: Touchscreen anti-peeping password input
  • Mechanical Keys: 2 keys included; works with most mechanical cylinders
  • App Control: Bluetooth (effective range ≈ 5 m). Wi-Fi remote unlocking not supported

Performance & Capacity

  • Recognition Speed: ≈ 0.25 s fingerprint identification
  • Door Opening: ≈ 1 s after verification
  • User Slots: Up to 3 Administrators
  • Stored Credentials: 30 fingerprints + 15 standard PINs + 10 one-time temporary PINs
  • Auto-Lock: Supported (configurable)
  • Silent Mode: Supported (extends battery life & keeps quiet)

Power & Battery

  • Battery Type: 4 × AAA (not included)
  • Typical Life: ≈ 12 months under normal use
  • Low-Battery Alert: When < 4.8 V, after wake the SMART button red LED flashes 7× with beeps (replace batteries promptly)

Modes & Security

  • Vacation Mode: Admin-only unlock for long absences
  • Quick Unlock: Optional; any fingerprint can unlock (use with caution)
  • Anti-Peeping PIN: Mask digits by entering random numbers before/after the true PIN
  • Build: Solid-core knob; premium metal construction for anti-pry & durability

Door Compatibility & Installation

  • Door Thickness: 1-3/8″ – 2-1/2″ (≈ 35–64 mm)
  • Backset / Latch: Adjustable 2-3/8″ or 2-3/4″ (60 mm / 70 mm)
  • Door Types: Screen, wooden, and metal doors
  • Handing: Left-handed / Right-handed universal
  • DIY Install: Screwdriver-only; typical 15-minute setup

Materials & Finish

  • Body / Core: Premium metal, solid core structure
  • Finish: Matte Black or Brown silicone sleeve for comfortable grip & style matching

Measurements

  • Item Dimensions: 7.8 × 4.88 × 2.99 inches (approx.)
  • Connectivity Protocol: Bluetooth

What’s in the Box

  • Smart fingerprint keypad door knob (main unit)
  • Adjustable latch & strike plate set
  • 2 × mechanical keys
  • Mounting screws & accessories kit
  • User manual / quick start guide

Care & Maintenance

  • Wipe with a dry or slightly damp cloth; avoid harsh chemicals
  • Keep the battery compartment dry; replace batteries when low-power alert appears

Important Notes

  • For long trips, switch on Vacation Mode, bring a physical key, and replace batteries in advance
  • Bluetooth app works within ≈ 5 m; remote Wi-Fi unlocking is not available

Additional information

Color

Black, Brown

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FAQ

For optimal performance, door hinges are typically installed 5″-7” from the top of the door and 10”-11” from the bottom. If additional hinges are needed, ensure they are spaced evenly between the top and bottom hinge. Always refer to the manufacturer’s instructions for proper installation guidelines.

Most of our door hinges are reversible, meaning they can be used on both left-hand and right-hand doors. However, certain specialized hinges are designed for a specific door type. Always verify that the hinge type matches your door’s requirements.

No, AmzGod does not require a minimum order. However, we recommend purchasing in bulk to take advantage of better pricing and lower shipping costs.

You can reach our customer support team at support@amzgod.com. We’re available 7 days a week to assist you with any questions or concerns. If you’d like to learn more, click here for additional information.

A general rule is to use one hinge for every 30” of door height. For a door that is 60” tall, two hinges are sufficient. For doors between 61”-90”, three hinges should be used, spaced evenly. Using the proper number of hinges prevents undue stress on the doorframe, which can lead to damage over time.

Non-removable pin hinges are designed for exterior doors where security is a priority. These hinges feature a pin that cannot be removed, preventing unauthorized removal of the door. This is particularly useful for doors where security concerns are high.

AmzGod offers 24-hour service. You can reach us anytime via email at support@amzgod.com.

To become a distributor, please contact our sales department at support@amzgod.com to get started. We’ll provide all necessary information for partnership opportunities.