Professional electric pipetting aid 0.1-100 ml - Three speeds selectable: (F) Fast = 10 ml/s (M) Medium = 5 ml/s (S) Slow = 1 ml/s - handy and lightweight for fatigue-free pipetting - „Gravity drain"" - mode substitutes speed ""F"" in the pipetting mode, opens a valve which affects that the content of the pipette tip can drain out without using any motor in confirmation with the European standards - durable motor - removable stand - Weight: approx. 212 grams - battery: 9V (Ni-MH) - including wall bracket Scope of supply: WITOPED XP 230 V, rechargeable 9V battery, battery charger, four additional replacement filters preventing liquids from entering the instrument, instruction manual