Hobbywing (#30502002) Multifunction LCD Program Box Pro Feature: 2.8-Inch High-Resolution Display: The screen offers double the character display per line and four times the total display capacity compared to previous models, enhancing readability. 20-Level Adjustable Brightness: Allows for optimal visibility in various lighting conditions. Single Roller Interface: Simplifies navigation and selection, making it easier to adjust ESC settings efficiently. Import & Export ESC Profiles: Enables users to save, share, and transfer ESC settings between devices seamlessly. Built-in Bluetooth for OTA Programming: Facilitates wireless ESC parameter adjustments and firmware updates via the HW Link V2 app. Multilingual Support: Currently supports Chinese, English, and Japanese, with plans to expand language options in the future. Specification: Input Voltage: 5-12.6V (a separate battery is needed for powering this program box when ESC has no built-in/external BEC) Interface: TYPE-C USB, ESC interface(Futaba plug), Power supply interface(Futaba plug Size: 105.6(L) x 59(W) x 24.4(H)mm Weight: 85g What is included: Hobbywing (#30502002) Multifunction LCD Program Box Pro (1 pc)