Inca IWS-529. Device interface: RF Wireless, Purpose: PC, Recommended usage: Office. Movement resolution: 1600 DPI, Movement detection technology: Optical, Scroll type: Wheel. Frequency band: 2.4 GHz, Wireless range: 10 m. Wireless receiver interface: USB, Receiver type: nano. Keyboard dimensions (WxDxH): 470 x 175 x 25 mm, Keyboard weight: 0.406 kg, Mouse dimensions (WxDxH): 96 x 65 x 36 mm