A smart home isn't complete without a really smart bell

Smart Door Bell

Whether you are looking to improve your home's overall security, keep a better eye on deliveries, track who is coming and going or speaking to visitors at a distance - our Smart Bell has all the bells and whistles you need.

Convenience & Peace of Mind

Hands free Unlocking

Coming home with your hands full? Paired with a Smart Lock, facial recognition automatically, unlocks your door on approach.

Fingerprint Unlock/Disarm

Paired with Smart Lock, simply save the fingerprints of any authorized family members to enter the home with a single press and disarm the alarm system.

Pre-recorded Notifications

Busy? Not available? You can set a pre-recorded voice message for any visitors and receive messages from your visitors too.

Two-way voice with Video

Regardless of who is at the door you are able to hold a two-way conversation with video from home or afar.

Night Color Vision

Monitor and capture front door events in vivid color and clarity - even at night.

Local & Cloud Storage

The choice is yours: Store video clips on the cloud or up to 128 GBs locally with a SD card.

Pair devices to Smart Bell to protect your family & home

Similar to Rettna One, the Smart Bell has it's own built-in security features and serves as a hub to pair additional hardware including the Smart Lock and Window/Door Sensors and Motion Detectors and Smart Buttons too.

Advanced Motion Detection

Drive-by cars, swaying branches, moving shadows are ignored. Our advanced motion detection only captures motion of people and animals without any false alarms.

Facial Recognition

The Smart Bell can recognize a familiar face and notify app users who is at the door and allow entry to authorized users if paired to the Smart Lock.

Package Detection

When a package is delivered to your door, the Smart Bell will automatically notify you, so you don't need to worry about when your packages are delivered.

Anti-theft Package Protection

Your package are protected when you are away. The Smart Bell can detect strangers and automatically sound its built-in 110dB siren to scare off any thieves.

Secure all your windows & entrance ways

Our Smart Bell allows you to easily secure all your doors and windows. Pair any number of indoor Window/Door Sensors to provide additional security throughout your home.

Add motion detection for added peace of mind

Pair any number of Motion Detectors to the Smart Bell to keep an eye on all your entrances, hallways, garage and any other spaces not covered by any cameras.

A smart bell and lock make a great pair

Pair the Smart Lock with the Smart Bell to secure your front entrance with additional security features that notify you of any suspicious activity such any attempted forced entry.

Features and Benefits

Fingerprint Unlock

There is no need to fumble for your keys any longer with fingerprint recognition. Save the hassle.

Remote Unlock

You’re free to permit entry to those you know and trust from a simple tap from your app.

2 Way Realtime Audio & Video

Enjoy crystal clear two-way communications between family, friends, guests to pets.

Pre-recorded Notification

Set pre-recorded messages for anyone who approaches or rings the doorbell.

10x Digital Zoom

Capture just outside your door to events at street level, helping you keep a good eye on your property.

Local & Cloud Storage

Record video and voice locally and in the cloud for your records and share with third parties as needed.

Advanced AI Security

Rettna recognizes a real threat or unauthorized intruder and alerts property owners immediately.

Advanced Motion Sensor

Detects motion that matters, ignoring passing cars, pedestrians, moving branches and the like.

Facial Recognition

Know who is on your property, be alerted to unrecognized subjects, personalize greetings and more.

Package Detection

Package(s) placed at your doorstep, you’ll be notified right away along with arrival time and more.

Active Theft Detection

Be alerted of any movement for your delivered packages along with two-way audio, recorded messages and siren.

Visitor Notification

Get notified of any visitors to your home, both registered and unknown guests with custom greetings.

Product Specifications


5" x 2.4" x 1.2"


6oz (170g)

Operating Temperature

14°F ~ 122°F (-10°C ~ 50°C)



Power Source

Hardwired: AC 8-24V (no chime)/16-24V (with chime), 30VA or above Micro USB: DC 5V 2A, 10W


802.11 b/g/n 2.4GHz (does not support 5GHz) WPA, WPA2 encryption Minimum 2Mbps upload speed required

Video Resolution

1920 x 1080, 25 FPS, HDR

Advanced Night Vision

Infrared Night Vision w/ 4 IR-LEDs, Color Night Vision


Local: microSD up to 128GB (micro SD card sold separately); Cloud: Rolling 30 days


Aluminum Alloy

Weather Resistance



1-year limited warranty



Related Products

Get an Exclusive
Introductive Offer

Submit your Email and we will contact you.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.