12VDC 8ch Serial Port Relay R221A08 DB9 UART RS232 Switch for control Home lighting Electric water heater
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![12VDC 8ch Serial Port Relay R221A08 DB9 UART RS232 Switch for control Home lighting Electric water heater](http://ae04.alicdn.com/kf/H1b1565123c2b4c778b32ab74244ce662r.jpg)
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sku: 1005003615328887
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$6.30
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