✅ Dual 2.0Ah Rechargeable Batteries for Effortless Electric Spraying：No more tiring manual pumping! Equipped with two 2.0Ah lithium batteries, one single battery delivers up to 1h48min continuous spraying & approx 66-gallon liquid output, perfect for heavy-duty large-area garden work.
✅ Ergonomic Backpack & 5 Gallon Large Capacity Tank：5-Gallon(19L) leak-proof tank reduces frequent refills vs standard 4-gallon sprayers; thick breathable mesh shoulder straps evenly disperse weight for all-day comfortable wear, ideal for lawn, orchard & commercial property pest control.
✅ 7 Interchangeable Nozzles for All-Purpose Use：7 varied nozzles (fan, cone, shower spray patterns) cover delicate flower misting, lawn weeding and outdoor surface cleaning, a versatile multi-functional garden sprayer for all yard maintenance needs.
✅ 0~100PSI Adjustable Pressure & Anti-Short Circuit Protection：Variable pressure knob adjusts spray from soft fine mist to max 100PSI high jet for tall trees; unique diversion groove diverts spilled liquid away from battery compartment to avoid short circuit & extend service life.
✅ Durable Telescopic Corrosion-Resistant Brass Wand：Upgraded retractable brass wand beats plastic wands on rust resistance; lockable spray handle frees your finger during long-time continuous spraying, greatly reducing hand fatigue.

✅ Strict Factory Leakage QC Test Guarantee:Every SEESII backpack sprayer undergoes complete functional water testing before packaging to ensure fully leakproof tank and pump. Tiny leftover water residue inside tank or hose after delivery is normal, proving your sprayer is genuine brand-new and meets rigorous factory standards for immediate reliable use.