NEW OPTO 22 B4 PC BOARD$100.00 Only 2 left in stock NEW OPTO 22 B4 PC BOARD quantity Add to cart SKU: 351034416949 Category: Other Description Additional information Description NEW OPTO 22 B4 PC BOARD 189 RB 790 “Any questions, please call us at 855-705-0565” Additional information Weight 1 lbs We Buy New and Used Surplus Inventory - Sell to Us