Compact lightweight and ideal for shaped cuts and lawn edging there is a choice of 2 blades which can be quickly changed without tools the blades are an 80mm forward cut trimmer and a longer 140mm side cutting tool the head of the unit allows the blades to be turned through 180 degrees the battery is a 36 volt lithium ion technology unit which does not self discharge has no quotmemory effectquot and gives between 40 and 50 minutes of continuous use the grizzly three year domestic