The Panzerhaubitze 2000, meaning "armoured howitzer 2000" and abbreviated PzH 2000, is a German 155 mm self-propelled howitzer developed by KNDS Deutschland and Rheinmetall in the 1980s and 1990s for the German Army. From Wikipedia
The package includes advanced air defense systems, tanks, ammunition, and humanitarian supplies to bolster Ukraine's defense against Russian attacks.