The RYOBI ONE+ Lithium+ 18-Volt Brushless Attachment Capable String Trimmer has a brushless motor for maximum power and durability. The Expand-it attachment capability allows you to transform your trimmer into an edger, blower, pole saw and more with the available attachments, saving time, space and money. This trimmer is equipped with the REEL EASYY+ Head with Speed Winder which can be reloaded in 60-seconds or less. The variable speed trigger and 2-speed switch deliver increased control for any application. The adjustable 13 in. to 15 in. cutting width allows you to optimize your trimmer for increased run time or a wider cut swath. This lightweight and well-balanced design also has an adjustable front handle for user comfort and the trimmer is equipped with a 4.0 Ah battery for extended run time. RYOBI is continuing to change the landscape of 18-Volt string trimmers by delivering superior power that rivals that of gas with the ONE+ Lithium+ 18-Volt Brushless String Trimmer. This trimmer has a brushless motor for maximum power and durability. The Expand-it attachment capability allows you to transform your trimmer into an edger, blower, pole saw and many more tools with the available attachments, meaning you can save time, space and money. This trimmer is equipped with the Reel Easy plus Bump Feed Head with Speed Winder which can be reloaded in 60-seconds or less. The variable speed trigger and 2-speed switch deliver increased control for any application. The adjustable 13 in. to 15 in. cutting width allows you to optimize your trimmer for increased run time or a wider cut swath. This lightweight and well-balanced design also has an adjustable front handle for user comfort and the trimmer is equipped with a 4.0 Ah battery for extended run time.