This Fisher Scientific 525D Isotemp Incubator is in great condition, has been tested and is guaranteed to be fully functional. This incubator came from a local lab that had surplus lightly used equipment. We urge customers to view all photos as they show overall condition, included accessories and functionality. Please feel free to contact us with any questions. Electrical Requirements: 115VAC, 50/60Hz, 6.0A. Model No./Part No.: 1535 (P/N 9120575 ). Temperature Range: 5C to 60C Volume: 6.7 cu. ft. Interior dimensions: 24W x 24D x 20H inches. Exterior dimensions: 30W x 30D x 32H inches (pallet increases size). Shipping Weight: Dimensional weight (approximately 247 lbs.). No. of Shelves: Two (2) each perforated stainless steel.