Internal super pump quickly vacuums all debris from algae to rocks. Debris collects in a reusable easy-to-clean, extra-large filtration bag. No hoses or electrical cords! Use as a hand-held cleaner or attach to any telescopic pole for deep pool cleaning. Includes 2 rechargeable battery packs with up to 3 hours run time, battery charger and a 15 in. flexible swivel vac head. Operates in water as shallow as 10 in.