The Everprint CHIP-KYO-TK-5430-C is a cyan chip for a Kyocera TK-5430 cartridge. Its product designation includes 1.2K, identifying the cartridge-chip variant described by the listing.
The chip is intended for cartridge use. The listing describes this type of chip as supporting cartridge recognition and toner-level monitoring by the printer. This makes it a relevant component when servicing the specified cartridge, with the cyan designation distinguishing it from other colour variants.