Wahl Micro Grooms Man, Male, Lithium, 2 in 1 Detailer, Men, Box 1 CT Model 5640-1101. Lithium power. High-impact anodized aluminum body. Wet/dry rinse able stainless steel blades. Detail. Ear/nose. Years of use from one lithium battery (included). Power and precision tackle any grooming need. 2 trimming heads in 1 provide unlimited detailing possibilities. Wahl precision blades are guaranteed to provide better results. An anodized aluminum body provides a nearly indestructible casing. Special attachment perfectly grooms eyebrows. Energizer Lithium AAA battery included. You can get years of use with the included battery. Lithium or alkaline batteries can be used for replacement. Neckline. Eyebrow. Nose. Ear.