The state of the art design incorporates advanced safety features like Zero RPM Lid Lock and Auto Unbalance Detection, Rotor Recognition and Shutdown. The built in oversized LCD Display provides real time data to the user. With the push of a button you can speed up or slow down the rotor. Maintenance free brushless DC motor is powerful and super quiet. The cover of the Microhematocrit rotor incorporates a reader, allowing for instant reading and eliminating the need for additional specimen handling.