(Upgrade Litter Deodorizer) This deodorizer uses advanced deodorization technology to eliminate over 99% of litter box odors. Once turned on, the built-in sensor continuously monitors litter box activity until the battery is depleted. ( Cat Friendly and Fragrance-free) Designed to be safe for pets and people, the litter box air deodorizer features a high-sensitivity biosensing system that automatically turns off when a cat approaches and turns back on when the cat leaves. Provides smart care for pets. (Compact and Portable) The cat litter box deodorizer includes a USB charging port and is easy to carry. Offers 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 capture dust and fine particles, improving air quality. – Non-toxic and safe; effectively removes unpleasant odors and refreshes the air by breaking down odor-causing molecules such as ammonia, hydrogen, and sulfide compounds. Specifications: Deodorizer Details: Weight: 182g Dimensions: 3.7 x 3.7 x 9.3 cm Deodorization Rate: ≥99% Dust Reduction Rate: ≥99.9% Operation Mode: 24 hours a day, 7 days a week Battery Life: Up to 7 days on a full charge Charging Method: USB powered (≤5V input) Notes: – 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. – During weekly litter box cleaning, remove the deodorizer and recharge as needed.