Home / LED Components (Korean) / YS31M-424 Mega Sign LED Controller Replacement “YJMicro YMO34N DHRNCY4-30509V1.1” has been added to your cart. View cart YS31M-424 Mega Sign LED Controller Replacement$299.99 Available on backorder YS31M-424 Mega Sign LED Controller Replacement quantity Add to cart Category: LED Components (Korean) Brand: YJMicro Related products YJMicro YP344SN Tri Color LED Sign Controller $219.00 Add to cart Tri Color LED Controller Upgrade (Ethernet + Serial + USB Port) $399.00 Add to cart SD-83N11 (8D) 1/8 Duty LED Driver Board for Tri Color Sign $29.99 Add to cart Tri Color LED Controller Upgrade (WIFI + USB Port) $349.00 Add to cart