No noise, smoke, smell, no electronic radiation. No gas poisoning, frost, risk of explosion. The copper foil is , the heat is uniform and stable. The insulation is good, a good heating function of the insulating partitions, saves on heating costs. Due to the use of water, , gas, etc., to avoid the addition of coal or fuel. The speed of installation, the day of the day of construction, allows to heat without air all the year. With a special hotline and a hot plate, fast heat transfer, sufficient heat, keeping the room temperature. It's not easy to crack, and the structure is more reasonable. The heating of the honeycomb is more uniform. Name: Infrared Underfloor Heating Sheet Model: A32085 Thickness: 0.338 mm Voltage: 220V Power: one square meter 220W Surface temperature: 40 centigrade Type: honeycomb color: Black Material: carbon fiber Size: 50cm * 2m Package contents: 1 x infrared ground heating film Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.