What You Will Receive: the package contains 3 pieces of ionic air purifiers for home in white color, which can to remove bad odors, such as pet smell, laundry odors, rubbish odors, dirt and more, suitable for you to use at home or going out, bringing you a clean and cozy living Convenient to Use: the negative ion generator adopts plug in power, and can be turned on or off by one button, with a working indicator, ionizer air purifier is easy and convenient for your daily using Good Performance: Whenever working for 2 hours, our plug in air purifier will automatically stop for 20 minutes, and then automatically continue to work, and stays quiet while working by releasing 20 million ions, which can purify the air and bring you a healthy and safe living environment Applicable Occasions: the negative ion air purifier can be extensively applied in the living room, bedroom, study room, kitchen, bathroom, office, hotel, shop, cafe, gym, basement, pets room, childrens room, nursery, hallways, fit for mothers and children, bringing you an enjoyable sleep time Compact and Portable: deodorizer air purifier measure approx. 4 x 2.5 x 11.3 cm/ 1.57 x 0.98 x 4.4 inches, the proper size makes it convenient for you to carry with a bag when traveling, going out or driving without taking too much space