Ingersoll XK400 Mini TV Game
Mini TV Game from 1977 featuring 4 electronic action games: Tennis, Practice, Football and Squash.
Here's the description from the side of the box :
Authentic sports action with 4 exciting black and white games. Pro-Am switches allow player to vary ball speed, angle and bat size. Automatic on-screen digital scoring. Separate player controls allow players to sit up to 4 feet apart. Realistic action sounds through TV loudspeaker.