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6X HW-521 Digital Delay 1 Way Relay Trigger Cycle Timer Delay Circuit Board Timing Control Module

Photos - Other Electrical Equipment 6X HW-521 Digital Delay 1 Way Relay Trigger Cycle Timer Delay Circuit Board Timing Control Module
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Wide voltage power supply (6 ~ 30V) supports micro-USB 5.0V power supply, easy to use; The interface is clear and simple, powerful, easy to...
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Other Electrical Equipment 6X HW-521 Digital Delay 1 Way Relay Trigger Cycle Timer Delay Circuit Board Timing Control Module