Lu-202 keypad is an idea of external keypad for notebook users. Thanks to its scissor-type key switch, it makes keypad low profile and good tactile response for quiet and easy typing. Furthermore, lu-202 is also support non-synchronous function. This feature can let keypad independently used from the notebook keyboard, leaving the notebook keyboard free for text typing. It is fully compatible with windows os. Features ?an excellent external numeric keypad for notebook ?stylish and slim design with elegant silver housing ?fully compliance with usb 1.1 ?scissor-type key structure delivery a great tactile feedback ?non-synchronous used from notebook