Features: Board mounted self recovery suppressions preventing overvoltage, improving impact resistance. The UART Debugs Module ensures stable and secure communication with its protections circuit against overcurrent, overvoltage, 10 protections circuit onboards, Onboards TTL port 3.3V and 5V level conversion pin, switchable TTL communication level support output 3.3V/5V (module power by USB， must be jumped to 3.3V/5V) Adopting double-side black gold sinking technology,beautiful Essential accessory for engineers, electronics communication etc. Specifications: Material： Plastic+Metal Size：As Pictures USB To UART Debugger Module Onboards UART Connect TypeA Port for RPi 5 Package Includes: 1PC USB To UART Debugger Module note: Due to the problem of lighting effectsand shootingangles, there may have tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.