2PCS 4ch 5V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control

2PCS 4ch 5V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control
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sku: 1005006302332535
$18.85
Shipping from: China
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