Robust design Light and fatigue fee, The Capp Controller weights only 167g (including the battery). Nose Cone Easy to disassamble and fully autoclavable. Compatible with all well known brands of serological pipettes available on the market. Powerful motor Fully adjustable speed setting. Pipette 50ml in less than 10 seconds. Long-life lithium battery Lithium battery with no memory effect and up to 12 hours of continuous use.