Flat, corded keyboard including cursor and number pad Whisper keystroke keys with wear-resistant laser key legends Up to 10 million keystrokes 4 hotkeys (calculator/e-mail, browser/sleep mode) Plug & Play via USB connection 3 blue status LEDs Optimised for professional use in the office (GS approval) Specifications Keyboards Key technology: LPK Technology Service life, standard key: > 10 million key operations Number of Keys: 104 + 4 I/O Devices (Intergrated) N/A Interfaces USB Cable Lenght approx. 1.80 m Current Consumption typ. 50 mA Operating Environment 0°C to 50°C Storage Environment -20°C to 65°C External Dimensions (WxDxH) approx. 458 x 170 x 20 mm Weight 0.53 Kg Reliability > 10 mill Key operations MTBF >80,000 Hours Product Compliance C-tick, CE, FCC, UL, BSMI, TUV/GS, KCC