SMONET Cordless Automatic Pool Cleaner, Powerful Suction Pool Cleaner Robot, pool vacuum with battery and skimmer, lightweight, rechargeable, 60 mins run time, IPX8 waterproof ideal for above/in-ground flat pool up to 430 Sq Ft.Max depth: 3m(10ft).Safe for all pool shape and types, such as concrete , fiberglass and vinyl liner pools. Please note: This pool cleaning machine not climb wall and clean the step.