DC 12V 4 Channel Relay Board, DB9 RS232 Remote Control UART Serial Port Switch for Car Motor 8.5 x 4.7 x 1.8cm sold2026 Suitable for indoor or sheltered June_2023_update Color:Red/Black/Silver B077B4ZZDK Specifications Size 5 8
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Ships within 48 hours · Estimated delivery Nov 12 - Nov 17