Holmes HCH4953-U Ultra-Quiet Dual Ceramic Heater with 1-Touch Electronic Thermostat This compact tower design features twin ceramic heating elements providing powerful yet quiet warmth. Its 1Touch Electronic Thermostat can easily set your desired comfort level with one button. The unique Viziheat color-changing grill lets you know when it's hot. Heater Precautions Always plug heaters directly into a wall outlet. Never use with an extension cord or power strip. The heater is hot when in use. To avoid burns, do not let bare skin touch front of heater. If provided, use handles when moving the heater. Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, and curtains at least 3 feet (1 meter) from the front, sides and rear of the heater. Never locate heater where it may fall into a bathtub or other water container. Built-in Adjustable Thermostat Adjust your settings with easy to use programmable controls. Auto-Timer Auto safety shut-off timer and tip-over safety protection for peace of mind. Digital Controls 1 Touch heater digital controls and 2 whisper quiet heat settings.