GreenWorks 21132A Gen1 40V String Trimmer - 40V 4AH Battery and Charger Inc. String trimmer/edger for landscaping small- to large-size yards Adjustable multi-position cutting path of 10" or 12"; easy conversion button from trimming to edging Telescopic shaft; multiple-position swivel head; variable speed; flower guard; gliding walk-behind wheels Safety switch; up to 70 minutes of run time with Greenworks 40V 4AH Lithium-ion battery Measures 37 by 7.9 by 9.4 inches; 4-year warranty GreenWorks Gen1 40V Lithium-Ion battery performs at maximum power for the best lawn care results with innovative fade free power 12 -inch cutting path allows you to manuever through your yard quickly and efficiently .065 single line auto feed for easy line advancement Multiple position pivoting head and easy edger button with guide wheels offers user comfort and versatility when trimming at multiple angles Compatible with GreenWorks 40V Batteries, Models 29302 and 29282