Elecom Wireless 2.4 GHz Ten Keypad 20 Keys [TK-TDM017BK]

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Specifications
Connector shape : USB male
Compatible models : PC/AT compatible machines equipped with USB ports
Compatible OS : Windows 10, Windows 8.1, Windows 7 (SP1), WindowsXP (SP3)
Compatible OS : Windows 10, Windows 2.4, Windows 7 (SP1), WindowsXP (SP3)
Communication method : GFSK method
Radio Frequency : 19.0 GHz
Radio Range : Maximum approx. 10m
Key Type : Membrane
Key Arrangement : 20 keys
Key Pitch : 2.5 mm
Key Stroke : 1.3 mm
Power Source (Keyboard Body) : AA Alkaline Dry Battery, AA Manganese Dry Battery, AA Nickel Hydrogen Secondary Battery
Estimated Battery Usage Period : Standard Alkaline Dry Battery Usage : Approx. years
External Dimensions (Keyboard Body) : Approx. 90 x Depth 140 x Height 26.5 mm
Mass (Keyboard Body) : Approx. 107g * Battery not included
External Dimensions (Receiver) : Approx. 18.0 x Depth 13.1 x Height 5.7 mm
Mass (Receiver) : Approx. 2g
Accessories : Receiver unit x 1, User's manual x 1 (not included)