Features: Experiences seamless productivity with 88key ergonomic keyboard featuring integrated opticals trackball and 3 button mouse controls, combining space saving design, waterproof construction, and full functionality for precise data entry across industrial and office environments. The waterproof USB keyboard delivers functionality with numeric keypad and responsive scissor switches keys, while its integrated pointing devices eliminates separate peripherals for workstations requiring performances in demanding conditions. for professional in banking, manufacturing, and data intensive fields, this input solution serves engineers, lab technicians, and mobile workers needing efficient cursors controls and spill resistant operations. Optimized for industrial controls systems, POS terminals, and multi device setups, this trackball equipped keyboard in controls rooms, factory floors, and home offices where space constraints meet high precisions input demands. Engineered with industrial ABS materials and plugs and play USB connectivity, this keyboard maintains consistent performances across for platforms, ensuring long reliability in dynamic work environments. Specifications: Materials: ABS Product Size: 295x162x28.50mm Product Weight: 650g Color: Black Interfaces Type: USB A port Number of keys: 88key Package Includes: 1PC 88Key Ergonomic USB wireds Keyboard note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.