This Lab-Line Model 309 Hybridization Incubator is in excellent condition, has been tested and is guaranteed to function 100%. This unit came from a local lab that was upgrading equipment. Shipping option has been selected as freight due to size of unit. However, depending on buyer location, this item can most likely be shipped ground. Please feel free to contact us with any questions. Key Features: Holds up to twenty 38 x 150 mm bottles or ten 38 x 300 mm ( supplied with a quantity of six Lab-Line 308-9 38X300MM Tubes) Watlow Series 942 Digital Process Controller Eliminates water baths, plastic bags Solid state Rotisserie 0 to 20 rpm OA Dimensions (cm): 56D x 58W x 42H Chamber size (cm): 33 x 33 x 33 Power requirements: 110/120 VAC, 60 Hz, 15A Operating temperature: Ambient +5C to 99C Temperature stability: at 65C = +/- 0.1