From the announcement:

The capabilities in this announcement, which totals up to $6 billion, include:

Additional munitions for Patriot air defense systems;
Additional munitions for National Advanced Surface-to-Air Missile Systems (NASAMS);
Equipment to integrate Western air defense launchers, missiles, and radars with Ukraine's air defense systems;
Counter-UAS equipment and systems;
Munitions for laser-guided rocket systems;
Multi-mission radars;
Counter-artillery radars;
Additional ammunition for High Mobility Artillery Rocket Systems (HIMARS);
155mm and 152mm artillery rounds;
Precision aerial munitions;
Switchblade and Puma Unmanned Aerial Systems (UAS);
Tactical vehicles to tow weapons and equipment;
Demolition munitions;
Components to support Ukrainian production of UAS and other capabilities;
Small arms and additional small arms ammunition; and
Ancillary items and support for training, maintenance, and sustainment activities.