The car mirror heater is most cars and most of the bus in the rearview mirror essential parts, is the vehicle's most basic configuration. When the rearview mirror fog or frost, by the switch or the sensor inside the car to the rearview mirror heating 50-60 degree reaches defrost antifog objective. Heating plate is made of soft materials, the bending radius of at least 0.2MM, temperature rise, power, voltage can be customized according to customer requirements. www.centurybalance.com