The Ryobi RLT1825 ONE+ 18V Line Trimmer has a rotating head that is perfect for edging and trimming, it can complete numerous jobs around the garden efficiently and safely. For added safety the Auto-Feed line advances when the trigger is released. The strimmer has a two handle design for improved user comfort. EasyEdge┢ technology making the switch between trimming and edging quick and easy. RLT1825LI: 1 x 18 Volt 1.3Ah ONE+ 18V Li-Ion Battery.OLT1825: Bare Unit (Batteries sold separately, compatible with all Ryobi One+ Batteries). Specification Input Power: 18 Volt.Line Cutting Speed: 9,300/min.Line Feed System: Auto-Feed.Cutting Swath: 25cm.Cutting Line Diameter: 1.6mm.Weight: 1.65kg.The Ryobi OLT 1825 ONE+ 18V Line Trimmer is supplied as a Bare Unit (Batteries sold separately, compatible with all Ryobi One+ Batteries). OLT 1825 ONE+ 18V Line Trimmer 18 Volt Bare Unit