This is a timing device manufactured by JWT. It is an electronic part known as CF4016M00009T8188036, with a frequency of 16MHz and external load of 9pF and a series resistance of 60O. It is also designed to have a frequency stability of ±10ppm and ±20ppm, and is capable of operating in temperatures ranging from -40? to +85?. It has a size of SMD3225-4P, packaging in a plastic housing, and is compliant to RoHS certification requirements for hazardous materials.