There are 4 fixing screw holes around the board, with a hole diameter of 3.1mm, making it easy to install and fix. The relay uses high-quality relay, single pole double throw. A common terminal, a normally open terminal, and a normally closed terminal Low level pull-in, high level release. The status indicator light is on when it is engaged and off when it is released.

Specifications:

• Relay maximum output: DC 30V/10A, AC 250V/10A
• Wiring instructions:
  • VCC: system power positive pole
  • GND: negative pole of system power supply
  • IN1--IN8: relay control port
• Material:plastic