Add additional emergency vehicles and equipment to your teams to resolve new incidents that can happen in your city. All unavailable in the basic version!
After installing the DLC, you will be able to get additional content in game:

8 special emergency vehicles:
Bicycles (very slow and cheap)
Unmarked police car (has a larger chance to spot road laws violations)
Sport car (much faster)
Armored van (gives protection)
Large Police Helicopter (can take to custody)
Medical Bike (fastest medical help but no bonuses nor places)
Large ladder (for tall buildings)
Mobile hospital (that can be set by firemen)

6 special equipment types:
Police dog (can be a weapon, can be a bonus)
Shotgun (large damage, slow reload)
Taser (safer than guns)
Defibrillator (used for near fatal injuries)
Heavy fire suit (additional protection for firemen)
Bomb defuse robot

15 more reports off all types, like chemicals on fire, street fights or computer games addicts :)