This Thermo Scientific® ELED Cimarec® magnetic stirrer requires 220-240V, and delivers precise digital performance at an analog price. The aluminum top design is rugged and chip-resistant for superior durability. Microprocessor feedback control provides constant speed regardless of changes in viscosity and prevents runaway and magnetic decoupling. Direct-drive motor and magnet system permits quiet stirring. Tight seal and safety trough ensure that accidental spills do not penetrate casing. Power-on light. Integrated ring-stand holder to accommodate 1.3cm (0.5in) dia. support rod. Cast-aluminum base diverts spills from internal electronics. Low-profile design and stable, rugged base prevents tipping and spillage. Includes a detachable line cord and plug and is supplied with a 0.38 diameter x 2-Inch (1 x 5.1cm) TFE-coated stir bar. No. of Positions: 1. Stirring Speed Range: 60 to 1200rpm. Stirring Surface Area: 7.25 x 7.25in. Material (Surface): Aluminum. Dimensions (L x W x H): 13 x 8.2 x 3.8in. Voltage Rating: 220-240V. Frequency: 50/60Hz. Warranty: Three Years. Certifications: cCSAus Certified, CE Approved. Thermo Scientific® ELED #: S142120-33Q. Thermo Scientific ELED - “Every Lab, Every Day”.