Holds: Test Tubes Tube Size: 3mL to 15mL Speed: 3500 rpm Temp Range: -4 to 104 degrees Fahrenheit Maxinum RCF: 1534 x g Maximum Test Tube Size: 15mL Angled Rotor: Fixed Range: 500 to 3500 rpm Noise Reduction Rating: Less than 65dB Motor Type: Permanet Magnet DC Voltage: 100 to 240 AC Voltage: 12 DC Amps AC: 6 Height: 9-1/2" Diameter: 11" Width: 11" Color: Black Material: ABS Compliance: CE Includes: Power Cord, Large Tube Sleeves, Small Tube Sleeves