20 v mini chainsaw, with release button, tool-free tensioning, bar length 4 (101mm), with 26 links. speed in relenti 4.8m/s, sound pressure level lpa, 78db(a), k=3db(a). vibration 3.425m/s2.k=1.5m/s2. speed 3200 rpm.without internal oil tank. battery not included. 20v-mms. dimensions: 35.5 x 8.3 x 23 cm