Robot lawn mower cutting width 17 cm max lawn area 400 m min cutting height 20 mm max cutting height 50 mm power watt 20 watt type of battery li ion charging time 90 min antriebsfunktion single speed safety features lift sensor engine stop blade brake tilt sensor power supply battery schallleistungspegel 58 dimensions lxwxh 58x46x25 5 cm 3 pivoting blades loop wire 150 m automatic charging lcd display weight 74 kg listed since 2204