About the product
- Designed with square type-b USB interface, stable connection.
- High-performance control chip ATMEGA8A . High quality relay and dedicated relay driven ULN2803 chip ensure relay to work more stably.
- Two flexible and convenient power input methods: power socket and terminal.
- After connecting the power supply, relay can maintain the setting state even if the computer is power off or USB is disconnected from computer.
- None driver is needed. Plug and play.
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