DC 12V Delay Relay Module Board 0-25 Second Adjustable Timer Relay Turn On/Turn Off Switch Module with Opto-couplers Isolator sold2024 Do not be used to

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DC 12V Delay Relay Module Board 0-25 Second Adjustable Timer Relay Turn On/Turn Off Switch Module with Opto-couplers Isolator sold2024 Do not be used toDC 12V Delay Relay Module Board 0 25 Second Adjustable Timer Relay Turn On Turn Off Switch Module with Opto couplers Isolator This delay relay module is widely used in robot, automobile lamp, intellectual product development, PLC and electronic development etc. The delay time can be adjusted through potentiometer, and the default value is 0. 1s to 25 seconds. You can greatly extend the timespan by replacing a large capacitor or potentiometer.