Features *  Compact, robust, and durable design for efficiency. *  Variable speed control. *  Continuous operation or automatically press start. *  Fast, thorough, and quiet vortex mixing action, but vibration free. *  Using high quality motor to achieve the performance. *  VM-2000 with a platform head suitable for mixing the contents of several test tubes simultaneously or      a flask. *  VM-2000-C with a single cup head for mixing the content of one tube. *  Quality certification: ISO 9001, ISO 13485