120 Watts: - Exterior Dimensions: 13" w X 15" h X 11" d - Interior Dimensions: 12" w X 10" h X 10" d - Electrical: 115VAC*, 120 Watts - Operating Range: Ambient +2°C to 62°C 235 Watts: - Exterior Dimensions: 19" w X 21" h X 13" d - Interior Dimensions: 18" w X 16" h X 12" d - Electrical: 115VAC*, 235 Watts - Operating Range: Ambient +2°C to 62°C *All incubators are available in 230VAC at no additional charge. Please let us know at the time of your order. Learn More