Usage Tips: What You Will Receive:The package includes 3 white ionic air purifiers for home use, designed to help reduce 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 plugging in, featuring a one-button on/off switch and a working indicator light. This air purifier is simple and convenient for everyday use.Good Performance:After operating for 2 hours, the device automatically pauses for 20 minutes before resuming operation. It quietly releases negative ions to help purify the air, contributing to a more comfortable indoor environment.Applicable Occasions:This negative ion air purifier is suitable for use in living rooms, bedrooms, kitchens, bathrooms, offices, hotels, shops, cafes, gyms, basements, pet areas, children's rooms, nurseries, and hallways. Compact design makes it easy to place in various environments.Compact and Portable:The air purifier measures approximately 4 x 2.5 x 11.3 cm (1.57 x 0.98 x 4.4 inches), making it portable and space-saving for use at home, during travel, or in vehicles.