Built-in electronic controller regulates heating element. Durable housing is chemically resistant. Accept a large range of flasks. For maximum operator protection, models are grounded should spillage or flask breakage occur. Unit is designed with a built-in stainless steel liner that gives electrical & mechanical protection against spillage & enables easy cleaning. Include support rod holder. Stepless heat control. Operating temperature up to 750°C. Capacity: 250-1000ml. Dimensions: W12xD17xH18cm. Weight: 1.2kg. 550Watt.