Seal Shield Silver Seal DE. Device interface: USB, Purpose: PC/server, Recommended usage: Office. Cable length: 1.83 m. Keyboard dimensions (WxDxH): 163 x 458 x 25 mm, Keyboard weight: 0.622 kg. Power source type: USB, Current consumption: 50 mA. Certification: IP 68, NEMA 4X, RoHS, WEEE, CE, FCC