... electricity and heat exchange 2.energy saving, noiseless,not dry 3.far infrared, 4.more healthy 5.comfortable 1.Application area: carbon ... body directly, which is not by transferring air convection. 3.operate condition 4.Features(1).fast warm speed: warm in ... life, 10 years warrant(3).with automatical thermostat, temperature limited(4).no pollution, noiseless,not dry(5).far infrared, more healthy and ...