Positions: 24
Rows: 2
Pitch: 2.54 mm (0.1")
Type: Female/receptacle housing
Termination: Crimp contacts
Colour: Black
Locking: Detent/ramp locking
Contacts: Not included
Operating temperature: −65°C to +105°C
Typical use: Wire-to-board connections
In simple terms: it's a 24-way, 2-row plastic connector housing that holds individual crimp contacts and mates with a compatible 2.54 mm header.