SAFETY & RELIABLE -- PTC ceramic heating element, provide fast, safe and reliable heating. Delay 30 seconds shutdown and simultaneous fuse protection and resettable temperature control give you multiple security protection. MINI SPACE HEATER -- Exquiset design with a compact size, easy to take and not occupied your space, gives you warmth while not affecting your work, reading or writing, gives you a good mood. ENERGY EFFICIENT HEATER -- Low power consumption, high efficiency. Cross-flow aluminum wind wheel, improved the air supply efficiency, according to tests, 10 cubic space machine work for 1 hour, the temperature rise can reach about 5 degrees. ULTRA QUIET WORKING -- Low noise, silent companionship. Careful air duct design, less than 45 decibels of noise level, quiet with you, no words. WARM & COOL DUAL MODE -- With cool mode and warm mode, not just for one season using, your personal mini fan always provide you a comfortable space.