Nakabayashi Wireless Quiet Numeric Keyboard TNK-SR227NBK 4902205261957

Quiet numeric keypad that allows you to work without worrying about your surroundings. ● External dimensions (width) [mm]: 81 ● External dimensions (back) [mm]: 131 ● External dimensions (height) [mm]: 25 ● Mass [g]: (battery not included) approx. 118 ● Compatible models: USB Windows-equipped machine equipped with Type-A port ● Built-in HUB: None ● NuMLock: Yes ● Connection method: Wireless ● Color: Black ● Key pitch [mm]: 18.6 ● Radio wave range: 6 to 8 m ● Power source: 2 AAA alkaline batteries ● Specifications: Connector shape: USB (A) Connector ●Radio frequency: 2.4GHz ●Accessories: 2 AAA alkaline batteries (for trial use) ●Country of manufacture: China ●Key type: Membrane ●Key arrangement: 23 keys ●Key stroke: 2.2mm