The HI190M stirrer is compact and lightweight. This stirrer incorporates electronic controls that allow the user to regulate the speed with greater precision. The internal Speedsafe™ mechanism will ensure that the maximum speed is never exceeded. The stirrer is supplied with an ABS cover that will resist the harmful effects of most chemicals that are accidentally spilled. The ABS-covered mini-stirrer is available with power requirements of 115V. Maximum stirring volume is 0.26 Gallons or 1-Liter. Stirring speed range is 100 to 1000 rpm. Dimensions: 4.8"L x 4.8"W x 1.8"H. Power: 115V. Hanna #: HI190M-1.