This part is a kind of semiconductor called 5611-BSR.
Function of this product has Seven segment LED display.
Manufacturers : ETC
Image and pinout :

Some of the text within the PDF file :
Part: 5611‐BSR Features: Digit height 0.56” Digit quantity One Surface color Gray Package dimension& Internal circuit diagram Specifications of Seven segment LED display Epoxy color Pin configuration Emitting color Milky Common anode Super red Cathode (A): Anode (B): Notes: 1. All dimensions are in millimeters (inches). 2. Tolerance is 0.25(0.01) unless otherwise noted. 3. Specifications are subject to change without notice. ABSOLUTE MAXIMUM RATINGS PER CHIP (Ta=25°C) ITEM Amber Super green Super red High red Yellow green Yellow Blue Pure green White UNIT Power Dissipation (Pd) 52 50 40 36 44 42 [ ... ]
5611-BSR PDF Datasheet Download
