1 Channel 5V Relay Module with Opto-Coupler

1 Channel 5V Relay Module with Opto-Coupler - Image 1
1 Channel 5V Relay Module with Opto-Coupler - Image 2
1 Channel 5V Relay Module with Opto-Coupler
1 Channel 5V Relay Module with Opto-Coupler

1 Channel Relay module with opto-couple great power switch for projects. and its coming with HIGH and LOW select jumper and it will help you to revert the signal using by simple jumper connector changing. and protect by high voltage feedbacks. 

Specifications

Current
Switch - 2A Operating 100mA A
Operating Voltage
5V
Special Features
High/ Low Select Swtich (revert) Opto Protection
Voltage
Switching voltage - 0 ~ 230V