•3-Stage Filtration: Traps at least 99.97% of airborne particles down to 0.3 microns in size •Ideal Room Size: Perfect for bedrooms, offices, and nurseries, the air purifier works for rooms up to 253 sq ft (1 ACH) and is very efficient for rooms that are 53 sq ft (4.8 ACH) •Air Changes Per Hour (ACH): This number means how many times per hour your air purifier will filter the entire volume of air in a specific room •3 Fan Speeds: Cycle through low, medium, or high fan speeds with the touch of a button •Night Light: Add a comforting glow to bedtime •Aromatherapy: Add a few drops of essential oils to the aroma pad to bring a pleasant smell to your room Refresh the air in your bedroom, office, or nursery with the Levoit Core Mini Air Purifier With Night Light. The 3-stage filtration system traps 99.97% of airborne particles down to 0.3 microns, including hair, lint, and fibers. Cycle through 3 fan speeds with the tap of a button, create a soothing ambience with the built-in night light, and add your favorite essential oil to the aroma pad. The air purifier cleans the air in rooms up to 253 sq ft and efficiently cleans the air in a room 53 sq ft. Dimensions (Overall): 10.4 Inches (H) x 6.5 Inches (W) x 6.5 Inches (D) Weight: 2.2 Pounds Number of Settings: 3 Wattage Required: 7 Watts Filter Type: Carbon Industry or Government Certifications: No Certifications Room Size Range: 100-300 sq. ft. Allergens Captured: Household Dust, Pet Dander, Pollen P