Features 1、Light up mixing platform makes color changes in the test sample more visible. 2、The magnetic stirrer's action will thoroughly incorporate each addition of reagent in a fraction of second. 3、The magnetic stirrer runs on 4 x AA Batteries(Not included). 4、Place the stirrer on table, free both hands and say goodbye to the Parkinson-like shaking stir forever. 5、Compact and lightweight, ideal for outdoor water test. Specification Features: Light up mixing platform makes color changes in the test sample more visible. The magnetic stirrer's action will thoroughly incorporate each addition of reagent in a fraction of second. The magnetic stirrer runs on 4 x AA Batteries(Not included). Place the stirrer on table, free both hands and say goodbye to the Parkinson-like shaking stir forever. Compact and lightweight, ideal for outdoor water test. Specification: Item Type: Magnetic Stirrer Model: MS40 Battery Type: 4 x AA Batteries(Not included) Package List: 1 x Magnetic Stirrer 1 x Measuring Cylinder 1 x Cross Stir Bar Package List