* The wall free convection ceramic panel heater is an electrically heated, wall-mounted panel heater which is heated by natural convection in the space formed by the product and the wall. There is also a constant flow of direct heat radiating from the front surface.

* The Carbon crystal panel heater is low-temperature professional infrared radiation heating system. Infrared radiation directly heats the human body, Furniture, objects and walls, and stores the heat, and then slowly releases into the space through secondary inertial heating.