90V-250V Plug-in Negative Ion Air Purifier Portable Odor Removing Device 1. In-line negative ion air purifier, which can effectively purify the air in the room 2. Release 200 million negative ions, 360-degree all-round purification, remove odor, PM2.5, second-hand smoke, formaldehyde, bacteria, etc.; 3. The double negative ion brush head faces forward to avoid being blocked by the wall, and it can purify in all directions, and at the same time reduce the occurrence of blackened walls. 4. Two modes, negative ion intermittent mode and continuous mode, scientific ratio to purify the air; 5. Suitable for bedroom, dining room, living room, bathroom, office, etc., to improve air quality anytime and anywhere; 6. Especially suitable for children, the elderly, pregnant women and those with pollen allergy and odor sensitivity; Parameter: 1. Rated voltage: 90V-250V 2. Rated frequency: 5060Hz 3. Rated power: less than 1W 4. Material: ABS flame retardant material 5. Control method: in-line 6. Effective range: 30m (no wall blocking) 7. Scope of action: formaldehyde removal, deodorization, PM2.5 sterilization 8. Dimensions: 108 x 45.5 x 39mm 9. Weight: 88g