Item description:

OPTIONS
Num 1 - Infinite Health
Num 2 - Infinite Armor
Num 3 - Infinite Stamina
Num 4 - Infinite Ammo & Grenades
Num 5 - No Reload
Num 6 - Freeze Daytime
Num 7 - Fast Forward Daytime
Num 8 - Edit Money
Num 9 - Edit Wanted Level
Num 0 - Set Game Speed

Game Built In Cheat Options

Ctrl+Num 1 - Receive All Weapons
Ctrl+Num 2 - Armed Pedestrians
Ctrl+Num 3 - Angry Pedestrians
Ctrl+Num 4 - Rioting Pedestrians
Ctrl+Num 5 - Improved Vehicle Handling
Ctrl+Num 6 - Flying Cars
Ctrl+Num 7 - Destroy All Cars
Ctrl+Num 8 - Spawn Tank
Ctrl+Num 9 - Big Head Mode
Ctrl+Num 0 - Change Weather

NOTES
"Infinite Ammo & Grenades": When activated, the amount of ammo & grenades won't decrease.
"Fast Forward Daytime": When activated, daytime will fast forward 1 hour per second, until you disable it.
"Edit Wanted Level": Takes effect when wanted level updates (wait a few seconds or do something that can change your wanted level).
Game Built In Cheat Options: The effects are the same as if you manually type in the built-in cheat codes. "Armed Pedestrians", "Improved Vehicle Handling", "Flying Cars", and "Big Head Mode" can be de-activated by activating them again.
"Flying Cars": Cars fly when driving above certain speed. Same as if you manually type in the built-in cheat code.