Safer for Bathrooms: Most space heaters don't work in bathrooms due to safety concerns and using heaters in bathrooms would also reduce product lifespan. However, Dreo ALCI safety plug that shuts off the small heater immediately in case of a short and contact with water, keeps you warm and safe in the bathroom during colder days. Quiet and fast heating: Enjoy all the peace at night with Dreo's unique airflow structure that minimizes the noise down to 36.5 dB. Thanks to extremely high thermal efficiency, Dreo 1500W PTC ceramics hit 75 in just 2 seconds, along with a powerful yet quiet brushless DC motor, you're to embrace all-around, pleasant warmth in a blink of an eye.It boasts a detachable and easy to clean filter to be sure that you will always breath a clean air. Heat Any Way You Like: This electric heater has 5 energy-efficient modes( H1-900W, H2-1000W, H3-1500W, Eco and Fan Only) to suit your varying needs.ECO mode self-adjusts the heating level to keep you in c