3.6V, Lithium Ion Cutter, Holds A Charge Up To 18 Months, Auto Sharp Blade Design, Lightweight, Less Than 1 LB, Battery Fuel Gauge, Cuts Through Hundreds Of Materials, Including: Carpet, Plastic Packaging, Fabric & Leather, Paper & Cardboard, Vinyl Flooring, Wallpaper & More Up To 1/4" Thick, Includes: 1 Cutting Blade & Charger.