Our Digital Hotplates feature an exceptionally durable, chemical resistant, white ceramic work surface. The space-efficient design (7.5 X 11.5 inch footprint) makes them ideal for use on crowded benchtops, biological safety cabinets and in bio-hoods. Advanced microprocessor controls allow quick, precise adjusent of speed and temperature. The display provides constant visualization of the speed and temperature while a safety LED indicates when the top plate is above 50°C. With a square 7 inch work surface, all models are compatible with a wide variety of popular sizes of borosilicate glass beakers, flasks, bottles and other vessels. Specifications: Temp. Range: Ambient +5 to 400°C Speed Range: 150 to 1500 rpm Platform Dimensions: 7 X 7 in./ 17.8 17.8 cm Operating Temp. Range +4 to +65°C Dimensions: (W X D X H) 7 X 11.5 4 in./ 18 X 27.9 X 10.1 cm Weight: 6.4 lbs. / 2.9kg Electrical: 120 or 230V, 50-60Hz 500W Warranty: 2 years. 1/pk