New and Improved!! -Designed for cordless work with glass or plastic pipettes from 1 ml to 100 ml -Maximum aspiration rate: 25ml in 3.5 seconds -When fully charged, can last up to eight hours of continuous use. -Large LCD display indicates the battery status along with the pipetting mode and speed selected. -Speed adjustment -Blow-out or gravity dispensing choice -Fully autoclavable nose pience, pipette holder and filter