Specification:

1. Item: Numeric Keypad
2. Color: Black
3. Connection: RF 2.4GHz Wireless
4. Keys Amount: 19 Key
5. Dimension: 13.5*8.5*3cm
6. Wireless distance: 10m
7. Power Supply: AAA battery (not included)-1.5V
8. Button life: 5 million 
9. Weight: 130g
10. Supported Systems: Windows XP/7/8/ Vista/ 2003 

Features:

1. 2.4GHz wireless connection, easy to carry it out.
2. 19 key layput design, with 000 key, improve the working efficient.

Package Included:

1* 2.4g Wireless Numeric Keypad