STIHL RMI 422 P cordless lawnmower robot mower - Fully automatic robot mower - For lawns up to 1. 500 sq m and up to 40 % slope - Cuts, chops and fertilises with mulching mower - Integrated rain sensor - Independent dynamic cutter deck processing Technical data Mowing area max. 1500 sq m Max. slope 40 % Max. cutting width 20 cm Min. cutting height 20 mm Max. cutting height 60 mm Mowing duration 25 h per week Max. cutting time per 100 % battery charge 80 min Rated power 60 W Battery type Li-Ionen Weight 10 kg Original part number: 6301-012-1404