Battery Powered Backpack Sprayer : Backpack sprayer battery powered features a durable 8Ah lithium-ion battery, which can spray for 4-6 hours straight from just one charge. The max 100 psi pressure of the pump allows the flow rate to reach up to 4.1L/min. The 4.2 Gal/16L capacity is large enough to meet your daily needs, making garden watering easy and efficient. Protection Filter The enlarged water inlet with filter allows you to add liquid more easily without worrying about being clogged by debris or other substances which protects the internal components of this pump sprayer from any damage. 7 Nozzles to Choose from Choose from seven different nozzles according to your spraying needs, easily switch between spray and water spray modes to water delicate plants, take care of your lawn or clean your home, Convenient for you to water, garden, clean and more. 2 Spray Wands : This 4.2-gallon electric backpack sprayer comes with 2 spray wands, giving you even more spraying options! The brass pole is adjustable in length from 21.5 inches to 39.4 inches which can helps you spray hard-to-reach places.