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/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - AliExpress
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
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 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V
HUAREW 5V One Channel Relay Module Relay Switch with Opto Isolation High Low Level Trigger (Pack of 10)
AEDIKO 4pcs DC 12V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger
2Pcs 8 Channel 24V Relay Module High Low Level Trigger with Optocoupler Isolation Load 8 Ways Relay Switch Module DC 30V AC 250V 10A Home Intelligent Control Module - Yahoo Shopping
NOYITO 30A 1-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1-Channel 5V) - Yahoo Shopping
DC 12V 1 Channel Relay Module High Low Level Adjustable Trigger Board Optocoupler Isolated Output
How to use 1-Channel DC 5V Relay Module(High-Level Trigger) with Arduino&Raspberry Pi
NOYITO 1 Channel Relay Module with Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack of 3) (12v, Red)
HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V - 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
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
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