Cheap And Discounts 4 in 1 Multi Frequency Duplicator 287-868MHz Rolling Code 433MHz 868.35mhz Garage Door Gate Remote Control Handheld Transmitter Wholesale. Buy Directly From Merchant Shop1104751698 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.