Each package contains 1 piece driver module, net weight 0.3 kg. Adopting sturdy construction for stable performance and extended service life, this module is a practical replacement accessory for vehicle refrigeration equipment maintenance. This drive board fits model zy-cc150dc12/24v-b8/b5 and zy-cc100dc12/24v-c3/c2dzl35, compatible with most 12V/24V car, truck and RV refrigerators. With integrated heat dissipation and multi-circuit safety protection, it can be directly installed to replace the original frequency conversion control board of vehicle cooling compressors.