POWERFUL, LIGHTWEIGHT AND WELL BALANCED GRASS TRIMMER - with adjustable front handle to set to a comfortable working height and 2 spilt shaft for easy storage - ideal for trimming long grass where your lawnmower cannot reach NEW GENERATION LITHIUM 40V 2Ah BATTERY - powered by an advanced battery that you can use in any Greenworks 40V tool to cut waste, save money and storage space EASY LINE CHANGES WITH NO FIDDLY THREADING - when you need to replace the line, simply twist off the head and push the new line straight through. Auto line feed pushes out a length of new line every time you start the trimmer PROTECTION FOR PLANTS AND TREES - you can vary the speed for more gentle strimming around delicate plants, and a built in plant guard allows you to protect the bark at the base of trees by placing it against the trunk while you cut 3 YEAR GUARANTEE WITH 2 YEAR BATTERY WARRANTY – by Greenworks, a world leader in electric tools and battery technology, with a global reputation for smart design, high performance and outstanding customer service​