For all pipettes from 0.1 to 200ml. Ergonomic handle very light weight of ca. 190g. Speed can be adjusted easily; continuously and exactly with one hand using 2 buttons. A 50ml pipette can be filled in less than 10 seconds. Liquid release can be done either by gravity delivery when calibrated ''Ex'' (to deliver) or in blow out mode using the battery-operated motor. Nickel-metal hydride battery allows approx. 8 hours of non-stop pipetting Charge level of the rechargeable battery is shown by the LED indicator (changes from green to red two hours before the battery must be recharged). Scope of supply: Pipette controller including battery charger (100-240V - 50/60 Hz), 4 plug adapters (EU / UK / US/J / AUS) battery; battery compartment cover; two replacement 0.2µm membrane filters and instruction manual.