1, 2, 4, 8-way relay module with optocoupler relay 5V12V24V relay module high-level and low-level trigger development board

1, 2, 4, 8-way relay module with optocoupler relay 5V12V24V relay module high-level and low-level trigger development board
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sku: 1005005973109618
$2.46+31%
$3.23
Shipping from: China
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