Wet & Dry Dual Function: Handles both wet and dry messes. High-efficiency filter for dust and foam filter for liquid spills. Quick filter switch for all cleaning needs.  Features a 2.5-gallon durable tank, ideal for holding more dust, debris, and dirty water. Clean longer without frequent emptying.  20V 4.0Ah Battery Included: Powered by a 20V 4.0Ah lithium battery for up to 20 mins of runtime. Includes battery pack and charger for convenient cordless cleaning. Cordless, compact, and lightweight. Easy to carry and clean anywhere — no cord restrictions for cars, home, or outdoor use.