This Lab-Line Model 3545 Shaking Water Bath is in used condition, has been tested and is guaranteed to be fully functional. This item came from a local lab that had surplus equipment. Bath shows some aesthetic signs of normal use. 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. Lab Line Instruments Orbit Shaking Water Bath with Microprocessor Control Digital Display Shaker Speed Range: 40 to 400 RPM (Maximum Safe Speed Depends on the Load and Will Be Less Than 400 RPM) Shaker Time Range: 00.0 Min to 99.9 Hrs. (Plus Setting for Continuous Shaking) Variable Control Knob (Range: 0-10) Variable Temperature Hi-Limit Knob (Range: 0-10) Low Water Alarm Chamber Dimensions: 14.5" x 12" x 5"