Product Features A wide range of speed from 50 to 2200rpm Analog speed controls displayed on the LED display Brushless DC motor for long life and maintenance free High torque for viscous medium stirring Safety circuits allow for safe stop function in anti-stall or overload conditions LED screen for monitoring actual speed Over torque protection automatically stops the motor In the event of power loss, the stirrer will resume stirring at the preset speed when the power returns Pass through stirrer rods accepted Keyless chuck Multi voltage 110-220V cTUVus approved for UL and CSA 2 YEAR WARRANTY