Intex Handheld Rechargeable Vacuum with Telescoping Aluminum Shaft and Two Interchangeable Brush Heads , Gray/Black Strong, built-in Ni-MH rechargeable batteries for powerful suction capability Suitable for use with all PureSpas and above ground pools up to 18' diameter Includes two interchangeable brush heads, USB cable for recharging, 94" lightweight telesoping aluminum shaft, & shaft adapter to fit longer/wider telescoping aluminum shaft Automatic shutoff feature when vacuum is not submerged in water, IPX8 waterproof switch for added protection against water submersion Keep pool water clean by vacuuming out dirt and debris Must be submerged to operate properly.