Ceramic heaters are a special type of heating fan. Ceramic heating element operates at a temperature below the ignition temperature of materials like tissue paper. In addition, it self-regulates the heat output in case the air inlet or outlet is blocked, will reduce heat output if temperature gets too hot. Innovative pop-up control panel resists tampering. Added humidifier function prevents over-drying. **This item is shipped direct from the manufacturer usually within 24 hours of purchase. Please allow up to 5 business days for delivery. Expedited shipping also available. The shipping rate listed is for the continental US only. Please contact us for shipping rates for other US locations and Canada.