Toasty Heat in Seconds: 1500W high power ceramics work together with Dreo's patented ObliqueAirflow system that promotes faster heat release, making your whole body wrapped in toasty warmth immediately. Great heaters for indoor use..Voltage: 120.0voltsSafety Protection, ETL-Listed: Built-in tip-over and overheat protection shuts off the heater when it tips over or overheats. Made with V-0 rated flame-retardant materials and enhanced safety plug to prevent electrical risks and safeguard your home.Silence Every Sound: A range of technologies was introduced to make this space heater breathtakingly quiet, especially Dreo's ObliqueAirflow technology that reduces air turbulence to create smoother, quieter heating at only 37.5 dB, quiet like a library. Fits for bedroom.Immerse the Whole Space: Thrillingly fast heating powered by Dreo's high-torque motor delivers powerful heat up to 10 feet/second. Along with wide-angle 70° oscillation to sweep around your whole living space. Recommended for use in areas under 270 sq ft.Set It, Keep It, Save It: Adaptive ECO mode adjusts the heat level to keep the room at your preferred temperature. This electric space heater also includes low (H1-700W), medium (H2-900W), and high (H3-1500W) heat settings so you can beat the cold while saving more on energy bills.