The RYOBI 40V HP Brushless 2-Toolthe 40V HP Brushless 16" Attachment Capable String Trimmer, 40V HP Brushless 650 CFM Blower, 40V 4Ah Battery, & 40V Fast Charger. 40V HP technology combines a powerful brushless motor, advanced electronics, and high performance lithium technology to provide more power, runtime, and durability. Experience gas performance with just the pull of a trigger. The 16" String Trimmer delivers more power than a 27cc gas trimmer. Achieve over 45 mins. of runtime using a 40V 4Ah battery. Save money, time, & space with attachment capability & transform your string trimmer into a variety of tools. This trimmer is compatible with RYOBI EXPAND-IT attachments & other universal attachments to take on any job around the yard. Tackle thick weeds & grass with the adjustable 14"-16" cut swath. The 650 CFM Blower delivers more power than a 26cc gas blower with 650 CFM & 160 MPH making it ideal for tough applications, damp/dry leaves, & compacted grass. Achieve 45 minutes of runt