**High-Performance
Microcontroller: ** Equipped with an 8-bit microcontroller chip for efficient and reliable operation, perfect for home automation and intelligent USB switching needs.; **USB &
External Power Supply: ** Flexible power options with USB and external DC5V support, ideal for multi-relay use to ensure stable performance without overload.; **Durable Relays Built to
Last: ** Features 10A/250VAC or 10A/30VDC relays with an impressive lifespan of up to 100, 000 cycles, ensuring long-term reliability and peace of mind.;
**User-Friendly Operation: ** Simple installation with the included CH340 USB to serial control chip, complete with power and relay status indicators for easy monitoring.;
**Enhanced Safety Features: ** Designed with overcurrent and diode freewheeling protection, safeguarding your devices and ensuring safe, continuous operation.