Kone display panel KM50017283G01

Kone Elevator display board, the new quality assurance
KM50017283G01
KM50017284H04
Kone dot matrix display panel
Kone dot matrix display panel KM50017283G01 Red light
Kone dot matrix display panel KM50017284H04 bule light
Kone dot matrix display panel KM50017284H04 white light