I have the main unit.
type Pong
The Conic TVG-204-4 — Four-Game Budget Console
The Conic TVG-204-4 was a four-game television game console from Conic — offering multiple game variants on dedicated hardware at budget pricing. The ”204-4” designation indicated four built-in game modes, providing more variety than single-game Pong consoles while remaining more affordable than cartridge-based systems. Conic’s Hong Kong manufacturing base allowed competitive pricing that made these multi-game consoles accessible to the broad European consumer market throughout the late 1970s.