4CH 5V Bistable Self-locking Electronic Switch Low Pulse Trigger Board Flip-Flop Latch Relay Module Button MCU IO Control

4CH 5V Bistable Self-locking Electronic Switch Low Pulse Trigger Board Flip-Flop Latch Relay Module Button MCU IO Control
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sku: 1005005529686083
$12.52
Shipping from: China
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