Features:
1.Multi-Function Integration: Supports 10 distinct communication modes including USB to TTL, RS232, RS485, and TVC, allowing for flexible switching to meet various technical requirements.
2.Integrated Voltage Testing: Features a dual-channel serial port test function capable of measuring DC voltages from 0V to 30V with a consistent output baud rate of 115200.
3.Easy Channel Switching: Equipped with a physical button to cycle through modes and 4 LED indicators to clearly display the active connection status for reliable work.
4.Broad System Support: Highly applicable to various computer systems ensuring smooth connectivity for 32-bit and 64-bit environments.
5.Reliable Performance: Maintains system parameter settings after power-on and resumes the last state, ensuring consistent and stable performance in demanding work environments.

Details:
Baud Rate: 115200 bps
Working Humidity: 5% to 95% RH
Voltage Measurement: DC 0V to 30V
Supply Voltage: 3.3V(500mA) or 5V(500mA)
Working Temperature: -25 Celsius to 85 Celsius
Product Name: Multi-function Serial Port Adapter
Dimensions: 54mm x 21mm x 5mm (2.13in x 0.83in x 0.20in)

Included Items:
1 PCS x 20cm Dupont Line
1 PCS x 80cm USB data cable
1 PCS x Multi-function Serial Port Adapter Module

Notes：
1. Slight color variations may exist due to differences across display screens. We regard the product as consistent with what is shown in the images.
2. A minor size difference of 1–2 cm is acceptable, resulting from manual measurement variations.