(Upgrade Litter Deodorizer) Deodorizer utilizes advanced deodorization technology, effectively eliminating over 99% of litter odors. Once turned on, the sensor continuously monitors litter box activity until the battery is depleted. (100% Cat Friendly and Fragrance-free) Designed to be safe for pets and people, the litter box air deodorizer features a built-in high-sensitivity biosensing system. It automatically turns off when a cat approaches and turns back on when the cat leaves. Smart care for pets. (Small and Portable) The cat litter box deodorizer is equipped with USB charging and is compact for easy portability. Provides up to 7 days of use on a single charge. No consumables, no filters, zero waste, and reusable. Features: — Releases high-activity negative ions that help capture dust and fine particles, improving air quality. — Non-toxic and safe for use around pets. Helps neutralize unpleasant odors and refresh the air by breaking down odor-causing molecules such as ammonia, hydrogen, and sulfur compounds. Specifications: Deodorizer Details: Weight: 182g Size: 3.7 x 3.7 x 9.3 cm Deodorization Rate: ≥99% Dust Reduction Rate: ≥99.9% Operating Hours: 24 hours / 7 days Battery Life: Up to 7 days on a single charge Charging Method: USB powered (≤5V input) Please Note: * Odor reduction may not be immediate on the first day of use; best results are typically noticed after 2–3 days. * For optimal performance, place the deodorizer inside or near the litter box. * When cleaning the litter box weekly, remove the deodorizer and charge as needed.