The Ulanzi D200H Stream Deck Smart Keyboard is a professional control interface designed for content creators, streamers, and productivity users seeking efficient workflow management. This compact keyboard features 20 customizable LCD keys that display dynamic icons and can be programmed for complex commands with a single press. Each key measures 25 mm × 25 mm and has a responsive mechanism similar to mechanical switches, providing tactile feedback. The device connects via a USB-C interface with a 1.5-meter braided cable, supporting both Windows and macOS operating systems without additional drivers. Constructed with an aluminum alloy frame and a matte black finish, the D200H offers durability at a weight of just 450 grams and dimensions of 150 mm × 90 mm × 25 mm. The integrated software allows users to create custom key profiles for various applications, including streaming software, video editing tools, audio mixers, and productivity suites. Keys can be configured for macros, scene changes, audio settings, application launches, or keyboard shortcuts. The LCD displays update dynamically based on active profiles, showing relevant icons and status indicators. The device operates at temperatures between 5 °C and 40 °C with a power consumption of under 5 W during normal operation. Integrated mounting options provide flexibility for incorporation into existing workstation setups, while the non-slip rubber base ensures stability during use. This Stream Deck serves as a central control solution for managing multiple software functions simultaneously, reducing the need for keyboard shortcuts and mouse navigation in complex workflows.