Millions of packages stolen each year. DoorBox aims to change how packages are delivered with its smart package box that features a theft-proof design with live camera feeds and an alarm that activates automatically if the box is tampered with. 

After selling 2,000 units of its initial version, which offered manual functionality, the startup unveiled its latest product at CES 2025: Smart DoorBox.ai. This new system utilizes an AI-powered automatic unlocking mechanism that detects when a package is being delivered, allowing for seamless delivery even when the recipient is not home.

DoorBox was founded by Kumar Sundaresan, who experienced the theft of a valuable package containing his late father’s glasses and watch shortly after delivery. This marks Sundaresan’s fourth startup; he previously founded three companies in the tech and online food ordering sectors.

Another one of DoorBox’s standout features is its steel cable, which can be tethered to a doorknob or other stationary objects. This cable is engineered to withstand over 800 pounds of force, making it nearly impossible to break, according to the company. Upon tampering, a 125-decibel alarm automatically activates, notifying the user through the mobile app. Users can also manually turn the alarm on or off at any time using the app. It’s able to hold three to five medium-sized packages.

The mobile app not only sends alarm notifications but also serves as a surveillance camera, allowing users to view live camera feeds when sensitive packages are expected. The app also lets users lock or unlock the DoorBox remotely.

Smart DoorBox.ai is priced at $400 for the metal version and $300 for the plastic version, with a $20 monthly subscription fee for the app.

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