HEATS UP QUICKLY, HOLDS A CONSTANT TEMPERATURE: Simply place a beaker or flask of up to 3000mL of liquid on the lab stirrer, adjust the temperature to the desired level (thermometer not included) and wait. No need to worry about the magnetic stirrer hot plate overheating or cooling and ruining your sample. The heated stir plate will bring a liquid to a boil in minutes and has a temperature range of 49-350' making this as precise as it is powerful. BUILT TO LAST: Our Fristaden Lab SH-3 hotplate magnetic stirrer mixer is built with tough, lab quality materials to handle hard, everyday use. The hot plate stirrers solid metal construction protects its powerful stirring motor and 500 watt heating element. Each magnetic stirring hotplate is tested and inspected to ensure you receive the item you anticipated. EASY-TO-USE: The analog magnetic lab mixer stirrer is controlled with intuitive, independent stirring and heating dials. Adjust the stirring speed from 100 to 1600 RPM depending on the density of your liquid. This lab mixer can be used as a stirrer, a hot plate - or both at the same time! Our hot plate with magnetic stirrer can be setup in under 5 minutes and comes with a detailed, user-friendly instruction manual. SCIENTIFIC PRECISION, MANY USES: The SH-3 magnetic stirrer hot plate can be used in the laboratory, classroom, workshop or home. Originally designed for science experiments, the hot plate stirrer is often used for home brewing, yeast mixing, e-juice and vape mixing, home chemistry, aromatherapy, essential oils and more. This stir plates constant temperature, powerful heating and stirring, and intuitive controls make it the perfect option for those who demand lab quality and reliability. ONE YEAR WARRANTY: The Fristaden Lab SH-3 Hotplate Stirrer is made from lab-quality materials designed to deliver you accurate and repeatable results year after year. The stirrer hot plate has a one-year warranty.