2 Channels (5V) Opto-Isolated Relay Module
SGD $ 8.50
4 Channel 5V Relay Module
SGD $ 14.50
5V Single Channel Opto Isolated Relay Module
SGD $ 4.90
USB Control 1 Channel Module 5V Relay Module
SGD $ 10.00
USB Control 2 Channel Module 5V Relay Module
SGD $ 12.00
USB Control 4 Channel Module 5V Relay Module
SGD $ 18.00
USB Control 8 Channel Module 5V Relay Module
SGD $ 28.00