MultiTherm Shaker with Heating and Cooling Capability. Temp Range: Ambient -20to 100 deg C. Electrical: 120V, 60Hz. Cooling Ramp Rate: 2.5 Deg C/ min.Heating Ramp Rate: 5 Deg C/min. Temp Accuracy: +/-1.0 Deg C, Speed Range: 200 to 1500 RPM, BLOCKS SOLD SEPARATELY. Various Block Sizes available. Dim: 8.25" x 11.5" x 8.25". Weight: 18 lbs.