5V Trigger Time Delay Relay Module with LED Digital Display 0-999s 0-999min 0-999H Work-delay/Delay-work COD

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- The product delay time can be set by yourself, and can be set by the button. After setting, it will count down according to the set value after the next power-on. - The product is accurate delay, 0.01% error per second. This product has three delay versions. One version has a delay of 0-999 seconds, and the LED changes every 1 second. The other delay time is 0-999 minutes. The LED digital display changes every 1 minute; the third version has a delay of 0-999 hours, and the hourly LED digital display changes; - Can be triggered by an external signal. When power is on, the power LED lights up, but the module does not work. When there is an external trigger (low power or high level trigger) (such as the button is grounded instantaneously), the relay is triggered, the module starts to work and countdown delay, when the delay time After the relay is disconnected . If during the delay process, it is triggered again, the delay time starts counting again, and the delay time has been triggered last time. - This product has a wide range of applications and can be used in many fields. The new version can be easily used in equipment such as car driving recorders!
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