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!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:Material: PlasticColor: Black, White (Optional)Remote Distance: 10mNumber of keys: 18 (key)Plug and Play: SupportBattery: 1 AAA batteries (Not Included)Size: 8 x 12 x 2.2cm / 3.1 x 4.7 x 0.9inchPackage Weight: 122gQuantity: 1pcPackage included:1 x Wireless USB Numeric Keypad1 x ReceiverNote: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..