... 95%Working Life>100,000hoursThe characteristics of the wall heating are as follows:1.Thin of the exterior,don ... figure,make your room beautiful!2.Fix easy, constitute at will,finish by once,enjoy for dozens of years, ... cheaper,you shall just fix four pieces in the room about16-18square meter. you can make installation by your ... . low carbon crystal home thin carbon crystal heater for underfloor heating