Features: 1) Material: PTC 2) High quality and reliable performance. 3) According to customers Features: 1) Material: PTC 2) High quality and reliable performance. 3) According to customers' drawing to design the rearview mirror heater. 4) PTC carbon paste is a new-type heating material whose resistance will change as the change of temperature, his advantage lies in adopting the parallel design mode, even though one place breaks, not influencing the work. Packing: 500pcs/carton