1, Energy Saving by 50% 2,Safty and long service life (50 years) 3, Far infrared is good to people's health 4 ... , gynecological diseases, etc. Always make you feel warm and comfortable. 2,Safe and reliablePatent "anti-“ technology (anti-radiation, anti-leakage current ... .We do 100% inspection before products leaving our factory. far infrared carbon cystal wall heater electric infrared heater