Power and Precision tackle any grooming need. This Wahl 5640-1001N Micro Groomsman Precision 2 In 1 Trimmer comes with 2 trimming heads to provide a wide variety of detailing possibilities. Wahl Precision Blades are guaranteed to provide better results. The anodized Aluminum body of the trimmer provides protection for easy travel or for a cluttered drawer. A special eyebrow attachment makes controlling eyebrows easy and simple. One AAA Lithium Battery is included. You can get years of use with the included battery. Lithium or Alkaline batteries can be used for replacement.