Power Supply: AC 200V/ 50 HZ Rated Power: 50W Sleep mode noise capabilities to allow a quieter sleep Variable time settings, 1 hour, 2 hours, 4 hours, or 8 hours 4 fan speed settings Filter indicator to help indicate if you have the filter all set up Child lock Removes up to 99% of airborne allergens such as; pollen, dust, dust mite debris, mould, smoke, and removes strong odours and harmful gases