Cheap And Discounts G2R-1 1NO1NC DC12/24V Input 8/10 Channels /way Microcontroller PLC Signal Isolation Amplifier Board Relay Module Wholesale. Buy Directly From Merchant Shop1102832364 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.