1 Channel Relay Module 5V

Features:

• The 8550 transistor drive, driveability.
• A fixed bolt holes for easy installation.
• It has a relay status indicator led Power LED(Green), 1 relay status indicator LED(Red)
• Relay control interface by single-chip IO.
• Low-level suction close, high-level release.
• Easy to use, simple 3 line structure