Electric Brush Cutter Certificate:GS CE EMC NOISE input power:550W. No load speed:8000r/min Max. cutting diameter:300mm Electric Brush CutterString Trimmer 550WRated voltage:120 / 230V 50-60HzRated power:550WNo load speed:8000 r/minMax. cutting diameter:300mmDiameter of line:1.6mmLine length:2 x 3 m Weight:1.7kgNoise level:94dB