Features: 1. Plug and play, no drive needed, easy and convenient to use. 2. Splash-proof and waterproof design. 3. Speicial 000 key added, improve work efficiency. 4. Suspending keys and ergonomic curve design, comfortable for typing. 5. High sensitivity: fast, almost no delay. specification:Description: This numeric keypad is made with durable ABS material. Anti-skid design at the back makes it stay stably on your desktop. 000 key added, ergonomic design of the keys and with high sensitivity, this numeric keypad can greatly improve your work efficiency as well as giving you comfortable mechanical feeling. And the appropriate spacing between the keycaps makes you type fast and correctly. This keypad is really ideal for bank, office or market. 1. Plug and play, no drive needed, easy and convenient to use. 2. Splash-proof and waterproof design. 3. Speicial 000 key added, improve work efficiency. 4. Suspending keys and ergonomic curve design, comfortable for typing. 5. High sensitivity: fast, almost no delay. 6. Works with notebook, PC or desktop computers under Windows XP / 7 / 8 / 10 / Vista system. s: Color: Black Material: ABS Type: Numeric Keyboard Connection: USB Wired Connection Cable Length: 1.5m / 4.9ft Key Service Life: 5 million times Suitable for: notebook, PC or desktop computers Operating Systems: Windows XP / 7 / 8 / 10 / Vista Package Weight: About 148g Package Included: 1 * Numeric Keyboard (Other items in the pictures are not included.)