Item Type: PTC Heating Plate_x000D_ Material: Aluminum + Barium Carbonate + Ceramic_x000D_ Product Size: Length Approx. 9.5x2cm/3.7x0.8in (Not Including Wire Size)_x000D_ Temperature Control Range: 0-99 1The shell of this PTC heating plate is made of aluminum, environmentally friendly and durable. 2PTC heater adopts high temperature wire, which can be used for a long time to replace. 3This heating plate has constant temperature, surface insulation, very safe to use at home. 4Small and lightweight, which means you can store it very conveniently at any place in your home. 5This incubator ceramic PTC heating plate can be dry heating for a very long time.1 x_x000D_ _x000D_ HeatingPlateBecause its an original, there will be some flaws on the surface, so don' t mind if you take it._x000D_ Please allow slight deviations due to manual measurement.