Clean sense IQ: an infrared sensor detects the dirt you can’t see and automatically increases power, giving you up to 50% better dirt pickup (vs. Shark cordless pro in eco mode). The clean sense iq indicator visually shows when floors are clean.  Surface Type: All Floor Types Included: 1 Crevice Tool Battery Type: Lithium Ion Manufacturer Warranty: 5 Year Limited Measurements: 44 Height/Inches, 11.6 Depth/Inches, 11.2 Width/Inches Capacity: 1 Gallon Weight (lb.): 5.5 Lb Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported