This product only negative ion discharge. In addition, negative ions can reduce pressure and fatigue, improve sleep, concentration and other effects, reduce cigarette smell. Recommended in home care. 1.Powerful Purification Function Our air purifier with fast and super purification function release ions at high concentrations to eliminate an unpleasant odor and smell from the room，Relieves Congestion ,Chemical Free ,Cleaner Air. 2.Silent design & Intelligent Technology Whenever working for 2 hours, the equipment will automatically stop for 10 minutes, and then automatically continue to work without any noise. Air ionizer capable of emitting up to 20 million negative ions per second, technology provides you with cleaner. 3.Easy to Use & Economical Simply plug in, it works immediately,Single button turns device on and off. The low loss design can make it work all day (About 1 Watt Electric Power). This product can prevent you from replacing expensive accessories ( No need to replace the filter chip). Notice: EU standard plug, please check about if it is suitable for your socket before purchase. 4.Application It can be used for toilet, wash pool, stripping place, bedroom, porch, corridor, kitchen, wardrobe, elderly residence, welfare facilities, pet room and other facilities. Let you enjoy the forest like feeling anytime Function: Formaldehyde removal Function: Eliminating second-hand smoke Working principle: Negative ions Noise: Below 36dB Air purifier air volume: 50 cubic meters/hour Power supply mode: AC power Rated frequency: 50 Control mode: button type Applicable area: below 10 square meters