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

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

5V 2-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board

HUAREW 5V One Channel Relay Module Relay Switch with Opto Isolation High Low Level Trigger (Pack of 10)

HiLetgo 12V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger

the module voltage is 5V, 9,12 V, 24V Using SMD OPTOCOUPLER isolation

HiLetgo 5V 8 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

【Control Devices】The 2-channel relay module uses genuine high quality DC12V relay and SMD opto-isolator supporting high/low level trigger, widely

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

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

HiLetgo 2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Sto

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

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