Remote sensor measures temperature and humidity inside your safe. Hygrometer features a large touchscreen and displays high/low in either Fahrenheit or Celsius at both the base and remote units. Use the integrated stand or mount with magnets, hanging hole or Square-Lok mount. Product Features Remote sensor measures temperature and humidity. Displays high/low for both temperature and humidity in either Fahrenheit or Celsius. Large touchscreen display. Snaps into the Hornady Square-Lok system. Integrated stand, powerful magnets, or Hornady Square-Lok mount allows placement anywhere. Product Specifications Exterior: 12" x 15" x 16.5" Interior: 10.3" x 13.3" x 15.0" Weight: 49 lbs.