【RECHARGEABLE & WATERPROOF, LAST LONGER USE】20% LONGER battery life and 15% IMPROVED for better performance – Built-in rechargeable 2150Mah battery that there will be no limit when you are using thescrubber. Only 3 HOURS charging brings up to 70 MINUTES using duration. 360 degree high rotate speed meets your need of long working duration to clean and wipe the dirt thoroughly without interruption. Electric Spin Scrubber brushis resistant to water. Comes with 3 REPLACEABLE BRUSH HEADS