Usage Tips: What You Will Receive: The package includes 3 white ionic air purifiers for home use, designed to reduce bad odors such as pet smells, laundry odors, and rubbish odors. Ideal for use at home or on the go, helping to maintain a clean and comfortable living environment. Convenient to Use: The negative ion generator is powered by a plug-in design, featuring a one-button on/off switch and a working indicator light. This ionizer air purifier is simple and convenient for everyday use. Good Performance: After operating for 2 hours, the air purifier automatically pauses for 20 minutes before resuming. It quietly releases 20 million negative ions to help purify the air, supporting a healthier indoor environment. Applicable Occasions: This negative ion air purifier is suitable for living rooms, bedrooms, kitchens, bathrooms, offices, hotels, shops, cafes, gyms, basements, pet areas, children's rooms, nurseries, and hallways. A great choice for households, it may help promote better sleep. Compact and Portable: Measuring approximately 4 x 2.5 x 11.3 cm (1.57 x 0.98 x 4.4 inches), this air purifier is compact and easy to carry in a bag while traveling, commuting, or driving, without occupying much space.