Room size: small</br>Visible cool mist</br>Runs up to 20 hours per filling</br>Auto shut off when empty</br>2 year limited warranty</br></br>Product Description</br></br>Honeywell Mistmate Cool Mist Humidifier. No filter required. Ultra quiet operation. Variable moisture output settings. Perfect for small areas - desktop?? nightstands?? etc.</br><br/>http://www.amazon.com/gp/product/B00NWA7GWA