Both oven models (Tovala Smart Oven & Tovala Smart Oven Pro) have the same exterior and interior dimensions: Exterior Dimensions (L x D x H) 18.5" x 12.32" x 11.75"; Interior Dimensions (L x D x H) 12.75" x 11" x 8".
The Smart Oven weighs 19.6lbs and the Smart Oven Pro weighs 20.9lbs.