EA reveals Night Operations, a new DLC pack for Battlefield 4 coming next month as a free download for owners of the military shooter sequel (thanks Gamer's Hell). This trailer shows off the nighttime gameplay this involves, and here are highlights of the planned release:

ZAVOD: GRAVEYARD SHIFT
Battlefield 4™ Night Operations includes the new map Zavod: Graveyard Shift, a night version of Zavod 311. When the old Russian tank factory is shrouded in darkness the tactics change drastically.

TACTICAL GAMEPLAY
Get a tactical advantage by using night vision scopes, flares and other gadgets to reveal the enemy positions, or by destroying light sources such as lamps.

GAME MODES
Zavod: Graveyard Shift supports the following game modes: Conquest, Rush, Obliteration, and the infantry focused game modes Team Death Match, Domination and Gun Master.