1 Keeps high durability and high accuracy, such relay switch can be easy to use in the practical life. 2 With guaranteed quality, relay module can be used with confidence, light and practical. 3 1-channel relay is built to strict quality control standards, improved for more durability. 4 As a low pulse trigger, trigger mode supports high performance according to strict rule. 5 Supports simple installation, relay board with strong stability not requires particularly complicated operations.
What's in the box
1 x Trigger Board
