Specification Brand : GOWE BulletPoint1 : Laboratory Intelligent Digital Display Stirring Heating Mantle 500ml BulletPoint2 : Features: 1. Temperature range : ambient to 380 degree . PID control as well as inner and outer thermocouple . 2. LED display for temperature Speed add , reduce and set . LED digital Display for temperature and stir speed add and reduce . 3. Stirring is Independently controlled with a variable speed control up to 2000rpm . 4. Capacity : 50ml - 10, 000ml for round bottom flasks . Can be customized for beakers as your requests . BulletPoint3 : Specification: Size (ml): 500; Voltage: 220 V ,50Hz or 110 V, 60 Hz; Power (w ): 220 W; Temperature Control :PID Control .Inner and Outer Thermocouple . BulletPoint4 : Temperature Range :Ambient to 380 degree; Accuracy: ¡À1; Stir Speed Range :0~ 2000rpm ; Stir Speed Display :+/- 1 rpm; Upper Diameter: ¦µ115 mm; Heat Material: Alkali-free glass fiber . Max Temperature Resistance 450¡ã; Shell Material:Superfine Metal , anti-aging, anti-corrosion; ExternallyAssignedProductIdentifier1 : 0827674662699 ExternallyAssignedProductIdentifier2 : 827674662699 ItemName : GOWE 500ml 220V/110V Intelligent digital display heating mantle with stirrer ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-heating-mantles Manufacturer : Gowegroup PartNumber : GWE-1007108 ProductDescription : GOWE 500ml 220V/110V Intelligent digital display heating mantle with stirrer ProductSiteLaunchDate : 2014-12-12T12:44:02.170Z Style : Digital UnspscCode : 27000000 Voltage : 230 volts