Easy Heating with 3 Modes: Click the button to turn on the device. The combination of three modes of our portable heater for indoor use provides different degrees of heat to meet your needs. By choosing high/low heat mode, efficient heat will be sent to your surroundings with constant warmth in cold weather. Super Fast Heating & Energy Saving: With PTC ceramic heating element and high speed fan, heats up quickly in 3 seconds without preheating. Faster and more efficient heating than traditional heaters. Helps save electricity bills by heating small spaces needed instead of heating the whole house with other centralized heaters. Mini Portable Space Heater: Energy-saving, fully assembled, lightweight, compact size heater, convenient carrying handle. This heater doesn't take up too much space in a crowded place, easily move the heater from kitchen to bedroom, or even under the desk. An ideal space heater for indoor use of small areas such as office, home, bedroom. Tip-over Protection &