Specifications:
Buttons: 19 keys
Cable Length: 1.5m / 4.92ft
Keystroke Life Test: More than 10 million.
Compatibility: Support for Windows7/8/9/10 XP
Working Voltage: 4.5V-5.5V
Item Size: 16 * 9.5 * 3cm / 6.30 * 3.74 * 1.18in (L * W * H)
Package List:
1 * Keypad
1 * User Manual