Pool Blaster Pulse Handheld Rechargeable Pool Cleaner offers a handy use for any size pool, spa, or hot tub. Its lithium-ion battery and cordless design eliminate any hoses or cords around your pool and allow easy maneuvering and operation. To start using this vacuum cleaner, push the on/off button, and submerge into the water. The Pulse delivers up to 45 minutes of run time and fully recharges in 4 hours. This Pool Blaster vacuum features an extra-large debris chamber, reusable and durable filter bag, 7.5-inch vacuum head with scrub brushes, and crevice corner nozzle for efficient collection of leaves, acorns, twigs, sand, and dead algae in all types of pools. Unique debris chamber design makes emptying fast and easy.