Water Tech Pool Blaster Catfish Li Pool & Spa Cleaner Lithium Powered, Fully Rechargeable in 4 hours. Minimum Operating Depth-9 inch at 45 degree angle Easy push-button on/off switch. Comes included with (1) reusable all-purpose filter and (2) microfilters for fine cleaning! Up to (45) minutes continuous run-time. Great for any pool/spa cleaning application!