ACK-109 BL • Full flexible silicone keyboard in full-size layout • Robust and universal: foldable, rollable, dust- and waterproof • Noiseless and soft stroke due to sealed long-travel keys • 3× ACPI function keys for „Power“ , „Sleep“, and „Wake up“ • Blue status LEDs for Caps-, Num- and Scroll-Lock • Plug & Play insta- llation without any special driver • Ideal for professional use in production facilities, laboratories, gastronomy, food industry and medical areas and much more..