Bestol 2pcs PTC Heating Element 5W50W AC DC 12V 220 Degree consistant Temperature Ceramic Thermostatic

2PCS ,Safety, surface insulationheat up quickly, long service lifeconstant temperaturehigh power, easy use, high reliability, The PTC part is used for heating air or solid, It's meterial has a characteristic that it is constant temperature on the surface, The power consumption of the heater is not fixed, The better the heat dissipation, the greater the power.Please see the following description about the power of the problem.