R223C16 16ch 12V UART RS232 Serial DB9 UART LED Motor Smart Switch Controller - CN
USA
1 pcs R223C16DC 12V 16 Channel RS232 Relay Board. 4: Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch. 6:Output indication : relay output with LED indicators,easy to see working status of the relay;.
Product Location: CN
The best discounted price for this product is 6.78 USD.