Bissell Little Green Proheat has Heat Wave Technology that helps maintain constant water temperature throughout the cleaning process. Easily cleans hard to reach areas. Includes: 3-N-1 stair tool is a 3-way tool that sprays, scrubs, and suctions up dirt and stains from the outer curves, corners, and treads of carpeted staircases, 3 In. Tough Stain Tool, Trial Size Spot & Stain Formula, and Trial Size Oxy Boost Formula. Easy to store. Easy to empty and Fill Tanks. 9.2 Lb. 2 year warranty.