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1. 8 Channel Relay Module with Opto-Isolated Support High and Low Level Trigger 5V/

   Strong driving ability: The 8-way relay module adopts patch optocoupler isolation, which has strong driving ability and stable performance. The trigger current is 5mA. Com and low short connection, the corresponding relay for low level trigger, com and high short connection for high level trigger.

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2. 12V 2 Channel Relay Module With Optocoupler Support High Low Level Trigger

   Module can be set high level or low level trigger by jumper wire;. Trigger current 5mA;. Power indicator light (green), relay status indicator light (red);. High or low level trigger option Normally closed pin (NC1) : channel 1 relay normally closed pin.

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3. 2PCS High and Low Level Trigger 2 Channel Relay Module With Optocoupler 24V new

   Using SMD OPTOCOUPLER isolation, driving ability, stable performance ; trigger current 5mA;. The module uses genuine quality relay, normally open interfaces Maximum load : AC 250V/10A, DC 30V/10A; 2.

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