1) USB numeric keypad with 18 keys 2) Works seamlessly with USB-ready notebook and PC computers 3) Features slim, light design, ideal for travel 4) High quality thin film key switch, anti-static 5) Multilanguage 7) Quality silicone gel applied to good tactile feedback, long lifespan 8) No noise, feels comfortable 9) Plug and play, hot swappable 10) Self number lock LED indicator 11) System request: IBM Windows 98 / 2000 / Me / XP 12) Dimensions (L x W x H): 130 x 90 x 10mm 13) Weight: 80g CE, FCC, ROHS certificate