HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

Can set high or low level trigger with jumper, to meet the demand of more trigger applications; With patch optical isolation, strong drive ability and

HiLetgo 2pcs DC 24V 1 Channel Relay Module with Opto Isolation Support High or Low Level Trigger

DIANN 12pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger - Yahoo Shopping

CenryKay DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V(6PCS) - Yahoo Shopping

2 PCS DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V - AliExpress

5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - AliExpress

Aoicrie 5Pcs DC 12V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development Board Trigger : Electronics

2pcs DC 5V 4 Channel Relay

5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - AliExpress

5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - AliExpress

[2-pack] DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger

This module is widely used in the design and development of the home and industrial electronic products of the majority of electronic enthusiasts, can

2 Channel Relay Module Self-Locking Triggering Interlocking Optocoupler Isolation High Low Level Trigger for PLC Industrial Control (12V)

DIANN 12pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger - Yahoo Shopping

HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V