Optimized heat transfer through superior fit and flexible heater. Fiberglass mesh insulation for minimum heat build-up on outside surface. Plastic-coated housing resistant to numerous chemicals. Continuous temperature adustment by built-in power controller, with 1.5 m cable and schuko plug. Heating temperature: max. 450 °C Rated voltage: 230 V AC Power consumption: 200 W Size of round-bottom flask: 500 ml Weight: 1.5 kg