The product is an authentic cartridge of Pokemon Silver Version for the Nintendo Game Boy Color, released in 2000. Developed by Nintendo and part of the Pokemon video game series, this E-Everyone rated game offers a combination of role-playing, action & adventure, and arcade genres. The NTSC-U/C (US/Canada) region code ensures compatibility with consoles in that region, and the game does not contain any California Prop 65 Warning. Made in the United States, this unit represents a classic piece of gaming history for fans of the Pokemon franchise. The internal battery for saves has not been replaced, and will probably no longer work