This high-quality 1-channel Tongling relay module provides reliable switching control for high-power devices using low-voltage microcontrollers. Featuring the JQC-3FF-S-Z relay, it safely handles loads up to 10A at 250V AC or 30V DC and is available in both 5V and 12V DC operating variants. Onboard power and status LEDs allow for instant visual tracking, making it an essential component for Arduino projects, IoT smart home automation, and custom electronics.