The Water Tech Volt FX-8Li is designed to clean the large in-ground and above ground pools quickly & efficiently. The newly upgraded Volt FX-8Li now features lithium ion battery technology with a push button on/off switch. Powerful and easy to use, this vacuum is completely independent from main filtration systems. To operate, attach the Volt FX-8Li to any standard telescopic pool pole, turn the unit on, and you are ready to vacuum. Equipped with a 12 3/4" vacuum head and two reusable filter bags, the Volt FX-8Li can vacuum all types of debris including dirt, gravel, leaves, sand & algae. Simply remove the vacuum head, and use the included head & hose attachment to get into tight corners and crevices. The Volt FX-8Li will run up to 60 minutes on a full charge.