• Enhanced deodorization function: The Uahpet cat litter air freshener has a deodorization rate of 99%, effectively eliminating the unpleasant odor from your cat's litter box. • Increased battery capacity: With a 4000 mAh battery, one charge provides up to 9 days of autonomy. • Odor-free and safe for cats: It does not generate harmful fumes or unwanted odors, and it absorbs dust, making it safe for cats. Ideal for litter trays, pet houses, shoe cabinets, kitchens, bathrooms, among others. • Automatic On/Off and Intelligent Sensor: Equipped with a high-sensitivity biodetection system that identifies when the cat enters and exits, automatically turning off when the cat approaches and restarting to eliminate the odor once it leaves. • Ultra-quiet: Silent design with a noise level below 20dB, ensuring your cat is not disturbed. • USB powered: No additional batteries needed, avoiding the need to replace expensive accessories. • Includes: Uahpet cat litter air freshener, USB cable (power adapter not included), anti-scratch adhesive, and instruction manual.