The perfect accessory to complete your workspace. Featuring a full keypad with number lock, the Wireless Numeric Keypad is a great wireless solution for extending your existing keyboard. Not only accountant, every notebook or laptop pro will become dependant on the numeric keypad once you have tried it! Use it, you will find your work effciency and productivity will be improved greatly! 

Specification:
1.Operating Frequency: 2.4G technology
2.Structure Fixed way: Fastening buckle bit
3.Case Material： ABS
4.Power Supply:1* AAA Battery (Package not include)
5.Operating Current: 5mA (MAX)
6.Sleep Current: 0.5mA
7.Effective Distance: Approximately 32.9FT (10M) Accessibility
8.Working Temperature and Humidity: 5-50 celsius 10%-85%RH 25celsius
9.Storage Temperature and Humidity: -20-70 celsius 5%~95% 25 celsius
10.Application: Desktop, Laptop, Tablet
11.Key Mechanical working life: The keycaps life of more than 10 million times 

Package List: 
1 x 2.4G Wireless Numeric Keypad Black 
1 x Wireless USB