The Most Precise Humidor Monitor

Boveda Butler for Tobacco


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Currently only available to Boveda customers in North America and the European Union.

Be away and be confident. Know what's going on inside your humidor 24/7. Boveda Butler, the most precise smart hygrometer, catches moisture and temperature problems before they damage cigars. Then alerts you if hazardous conditions threaten your smokes.


Monitor premium cigars from a smartphone or tablet with precisely calibrated technology from the global leader in 2-way humidity control. No need to break a humidor’s seal to confirm your cigars are safely protected.

Detects humidity fluctuations as they happen, records humidor readings and sends alerts to you via the Boveda App. Immediately address a moisture problem before it damages prized premium cigars.

The only smart cigar hygrometer that includes the Boveda One-Step Calibration Kit. Precisely calibrates your Boveda Butler with the ultimate “salt test”. Used by lab professionals to ensure the accuracy of a hygrometer.

Saves humidor history of daily, monthly and seasonal patterns to deepen a cigar aficionado’s knowledge about the care and keeping of a cigar collection.

Manage up to 5 humidors within the Boveda App with additional Boveda Butlers (sold separately). And extend each Butler’s reach by syncing each up to a second compatible tablet or smartphone.

Download the Boveda app for iOS devices (iOS 10.0+) on the Apple App Store, or for Android (5.0+) on the Google Play Store.


  • 1 - Boveda One-Step Calibration Kit
  • 1 - Boveda Butler (2" x 1 1/4" x 1/2")
  • 1 - User's Guide
  • 1 - Standard CR2032 coin battery

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