The Micropad 630 is the highest quality USB numeric keypad on the market. Just plug it into any PC and you can start working. It enables notebook PC users to speed through number crunching with ease. Built with high quality Cherry keyswitches (50 million life cycles). The keys are durable, yet light and easy to press, a feature lacking on lesser quality keypads.
Features
21 keys
USB 1.0, 1.1, 2.0 port compatible
Full-size numeric keypad
Extra keys: "Tab", "Backspace", "Esc", and "\" keys included
No software required, "Plug & Play" USB HID keyboard
Low power consumption
1-year warranty
Specifications
Connects to any computer with a USB port
Attached USB cable is 1.5m (5') long
Very low power consumption
Windows 98se/ME/2000/XP/ Vista, Mac OS-X, Linux
Plug and Play connection
Complies with FCC Class B standards
Use full travel switches manufactured by Cherry Corp.
Total switch travel is 3.5 mm (0.14")
Operating force is 0.686N {79gf}
Key life: 5 x 107 cycles
Relative humidity: 0% to 98% non-condensing
Temperature range is 0 to 70 degrees C. (32 to 158 degrees F)
Keypad size is 15.5cm x 9.6cm x 3.5cm (6.1" x 3.75" x 1.5")