Colour TV Game 4 Plus 2 © 1978 Binatone.
It offers 6 games : 4 pong games (squash, squash practise, football, tennis) and 2 shooting games (target, shooting).
Technically it's the same as the "TV Master 4 Plus 2 [Model 01-4869]" but with colored graphics.
It is also the same as the Colour TV Game MK 6 except that the light gun is only optional while it is included in the MK6 package.
MODEL 01-4850
1. Colour TV Game [Model 01-4931] (1978)
2. Colour TV Game 4 Plus 2 [Model 01-4850] (1978)
3. Colour TV Game MK 6 [Model 01-4761] (1978)
4. Colour TV Game MK 10 [Model 01/4842] (1978)