Features: 1.Provides a cable-free & clutter-free connection, which is super convenient 2.Compatible with most computers 3.Powered by 1 x AAA battery (Battery is not included) 4.Best for Notebook Users who always work with number keys, Mini digital keyboard 5.The remote control is within 10 meters (33ft), beware that wireless range may vary depending on interference or the setup of your device specification:Description: A wireless USB numeric keypad is an essential if you want a cable-free & clutter-free connection. Light weigh and compact design makes it both nice and practical. A perfect choice for you! 1. Provides a cable-free & clutter-free connection, which is super convenient. 2. Compatible with most computers. 3. Powered by 1 x AAA battery (Battery is not included). 4. Best for Notebook Users who always work with number keys, Mini digital keyboard. 5. The remote control is within 10 meters (33ft), beware that wireless range may vary depending on interference or the setup of your device. : Material: Plastic Color: Black, White (Optional) Remote Distance: 10m Number of keys: 18 (key) Plug and Play: Support Battery: 1 AAA batteries (Not Included) Size: 8 x 12 x 2.2cm / 3.1 x 4.7 x 0.9inch Package Weight: 122g Quantity: 1pc Package included: 1 x Wireless USB Numeric Keypad 1 x Receiver Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.