Description This is a air purifier, which is made of high-quality materials, durable and can be used for a long time.It could reduce the floating particles, such as dust, second-hand smoke, oil smoke, etc. Perfect for household, office and hotels. It is also an wonderful gift for your friends and colleagues. Features -Color: Black.-Material: ABS.-Size: About11.30X4.80X4.00cm/ 4.44X1.89X1.57inch.-Applicable area: 41 (inclusive)-60 (inclusive) - Manufactured with premium ABS material that can be used for a long term.-Meet various space requirements, toilets, kitchens, smoking areas, etc. -Smart chip, work for 2 hours, rest for 10 minutes, the concentration of negative ions in space is more scientific. - Zero decibels, low energy consumption, ecological purification, safe and secure.-It can remove formaldehyde, second-hand smoke, deodorize, purify air odor, etc. Packing list: 1 x Negative Ion Air Purifier