Sold as 1 Each. Compact keyboard is suitable for PC. Interface: USB (PS/2 via adapter). Cable length: 1.75 m. Offers Codeset 3 support. Meets cURus, CE, FCC and VDE certifications or standards. Dimensions: 180 mmH x 405 mmW x 44 mmD. Operation characteristics: Black switch linear (60 cN). Current consumption: 16 mA typical. High quality compact 19' PC keyboard saves space and offers perfect key feeling. Weight: 920 g. Comes in light gray color. Service life: Standard Key: >50 million key operations. Supports Microsoft Windows 2000/XP. High-quality keyboard for outstanding writing performance. Comes with 2 years warranty. Layout: US English with Euro symbol. Number of keys: 104 with laser-etched keycaps. Individual keys with gold crosspoint contacts for convenience. MTBF: 80000 hrs.