DC 5V 12V 24V 1-way Multi-function Pulse Counter Relay Board 0-9999 Count NPN/PNP Optocoupler Isolation Cyclic Pulse Relay

DC 5V 12V 24V 1-way Multi-function Pulse Counter Relay Board 0-9999 Count NPN/PNP Optocoupler Isolation Cyclic Pulse Relay
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sku: 1005004653984549
$3.56
Shipping from: China
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