No More Hand Pumping: The battery powered backpack sprayer features 8Ah lithium-ion battery, for 4-6 hours spraying from just one charge. The max. 90 psi pressure of the pump allows reaching up to 4.1L/min flow rate. The 4 Gal/16 L capacity is large enough to meet your daily needs, saving you labor and time 8 Nozzles Available: This 4 Gallon electric backpack sprayer comes with 8 nozzles and 2 wands, giving you more options to choose how you spray! The 21.5"-39.4" adjustable brass wand, plastic wand and 0-90PSI water pressure make this garden sprayer meet your various spraying needs Comfortable Shoulder Strap: Our weed sprayer features a shoulder strap for maximum comfort and portability. The widened straps and the cushion added to the back improve the softness and comfort. So you don't have to bear fatigue and soreness after long-time work. Get ready to work smarter, not harder User-friendly Designs: Every detail for this lawn sprayer is designed for your convenient use. The enlarged water inlet with a filter screen helps you add liquid easier, and the tank with gallon markers lets you know the inner capacity clearly. Besides, the handle features a grommet, making it lockable to spray continuously without fatigue Handle Mutiple Spraying Tasks: Not only serve as sprayers in lawn and garden, our electric backpack sprayer is ideal for indoor and outdoor yard spraying needs like watering, gardening, general cleaning, washing, pet bathing, disinfecting, and many other applications. Hooray, it's time to spray. Are you ready