# Smart Door Knob – Biometric Fingerprint & App-Controlled Home Security

## Never Fumble for Keys Again

Imagine walking up to your front door, touching the handle, and it unlocks instantly — no keys, no codes, no hassle. This smart door knob uses advanced biometric fingerprint technology and app control to give you effortless, keyless access to your home every single day.

### 🔐 Smart Security Features

-   **Biometric Fingerprint Scanner** — Unlock in under 0.5 seconds with your fingerprint — faster and more secure than any key
-   **App Control via Smartphone** — Lock and unlock remotely, grant temporary access to guests, and monitor entry history
-   **Multiple Access Methods** — Fingerprint, PIN code, app, or physical key backup — you're never locked out
-   **Auto-Lock Function** — Automatically locks after you close the door, so you never have to worry
-   **Easy Installation** — Fits standard door preparations, installs in minutes with no wiring required

### 🏠 Peace of Mind, Every Day

Whether you're letting in a cleaner, checking if you locked up from the office, or just tired of carrying keys — this smart knob gives you complete control of your home security from anywhere in the world.

## Details

- **Price:** 79.99 USD
- **Vendor:** Astoria Lifestyle
- **Tags:** Hardware

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black | 79.99 USD | In stock |
| Silver | 79.99 USD | In stock |

## Images

- Smart Door Knob featuring biometric access and app control with a fingerprint scanner and mobile device.
- Smart Door Knob shown on a wooden door, featuring a sleek design and a green LED indicator for advanced home security.
- Smart Door Knob variation set featuring biometric access and app control for enhanced home security.
- Smart Door Knob view showing advanced biometric technology and sleek design for home security.
- Smart Door Knob featuring a sleek black design mounted on a wooden door for advanced home security.
- Smart Door Knob featuring ball shaped indoor fingerprint lock with APP unlocking and key unlocking options.
- Smart Door Knob side view showcasing dimensions of 73MM and 75MM for secure home access
- Smart Door Knob featuring a sleek black design with biometric security elements for home protection.
- Smart Door Knob featuring a fingerprint scanner and sleek stainless steel design for advanced home security.

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> Source: [Astoria Lifestyle](https://astorialifestyle.com/products/smart-door-knob)
> Updated: 2026-05-17