15 In, 12 Out, 8 Transistors, 4 Relays, Serial Port RS232 Relay, Programmable Electromagnetic Lock Control Board

15 In, 12 Out, 8 Transistors, 4 Relays, Serial Port RS232 Relay, Programmable Electromagnetic Lock Control Board
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sku: 1005003461359643
$53.39
Shipping from: China
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