Product Review

Plug&Play
The portable and sturdy BATTOP wireless numeric keypad with receiver provides you with convenient use-just plug the receiver into the USB port, No device drivers are required.

Use it, become more efficiency
Not only accountant, every notebook or laptop pro will become dependent on the numeric keypad once you have tried it! Use it, you will find your work efficiency and productivity will be improved greatly! 

How to use：
1.Open the rear cover of the keyboard, install one AAA battery(Not included the package, Note the positive and negative directions), The red light will be lit and then extinguish.
2.At the meantime, pls kindly remove the receiver,Insert it to the device's USB interface, and then computer will install the driver automatically, Finally, you can use this Numeric Keypad.

Press the "Num LK" key to switch function
-Red light on,digital zone function is turned on (Number 0-9)
-Red light off, arrow function is turned on (↑↓←→)

Specification:
Material: ABS
Size: 4.92 x 3.23 x 0.67 inches 
Weight: 2.85 oz 
Effective Range: 32feet (10m)
Operation frequency: 2.4GHz technology
Powered by One AAA Battery (Not included) 
System requirements: Windows XP, Vista, 7, 8,10 2000,Mac OS X with USB Port 

Note:
1.AAA battery is not included.
2.When the red light blinks，it indicates the battery is low, please kindly replace the battery. 

Package contents: 
1 x Wireless Numeric Keypad
1 x Receiver 
1 x User Manual