Specifications Orbital Shaker Model ZD-9556 (new improved model) Stepless speed adjustment: 30-200 rpm Max Speed: 200 rpm Display: digital Platform: 7"x11" Shaker: orbital Max load capacity: 10Kg Shaking displacement: 0.4" supply power: 110V AC Dimensions: 12.6"x8.5"x5" User's manual List Price: $550.00 Sale Price: $324.00   Specifications Horizontal Reciptacal Shaker Model ZD-8800 Stepless speed adjustment: 35-202 rpm Max Speed: 202 rpm Display: digital Platform: 15.75"x14" Shaker: reciprocate Shaking displacement: 1.18" supply power: 110V AC Dimensions: LxWxH in User's manual List Price: $1,450.00 Sale Price: $750.00