[Premium Material]: This latching relay module adopts of high quality electronic components, and precision process, ensure for the durability
[Better Use]: Low pulse trigger board uses high quality electronic components, precision technology, to ensure durability
[Self-locking Design]: This is a bistable (self-locking) relay module that triggers once the relay pulls (and holds); Trigger again, relay release (and hold)
[Typical Applications]: This relay module is used for Automotive electronics, Industrial equipment, engine, LED, Smart home, Emergency lighting, MCU development board, Toy car
[Easy to Use]: By default, the relay is release, press the trigger button, the relay pull, press again, the relay release, the third press, the relay pull, and so on