Powered by bosch 18v lithium ion battery technology the cordless art 23 18 li grass trimmer provides brilliant cutting performance versatility superb running time and ease of use with its telescopic handle vertical cutting edge rotating head height adjustment and 23cm cutting diameter the art 23 18 li is suitable for all your grass trimming jobs slicing through even thick long grass with ease it can also be used almost anywhere as it is cordless and not restricted by wires or heavy pe