Small volume,high capacity, low wind resistance,low heat rise. Easy to operate with dual start/stop function.Close lid for a spin speed up to 7000 rpm. Ultra-quiet, low vibration, smooth and quiet operation (sound emission≤50dB). Safe, endurable and robust rotor with clamp locking design. Sophisticated design, quick-change rotor without any tool. Accelerates and brakes in seconds. Compatible with 2mLx8 and PCR8x4 rotors.