Usage Tips:You don't need care about brands. As long as your old remote control is similar to this item, it can work with your AC. Many brands use the same remote control like Carrier/MrCool/FRIMEC/ Olimpia Splendid/ECOXTOSHIBA. It works with all R57 series and all RG57 series remote controls like: R57B1/BGE RG52A2/BGEFU1 RG57/BGE RG57A/BGE RG57A1(B)/BGE RG57A1(B)/BGEF RG57A1/BGEF RG57A1B/BGEF RG57A2/BGEF RG57A3/BGEF RG57A4/BGEF RG57A6/BGEF RG57A6/BGEFU1 RG57A7(B)/BGEF RG57A7/BGEF RG57B(B)/BGE RG57B/BGE RG57B/BGEFU1 RG57B/BGE-OS RG57B/BGEU1 RG57B1/BGE RG57B2/BGE RG57BB/BGE RG57D/BGE RG57D1(C)/BGEF RG57E1/BGEU1 ... Maybe this remote control looks different from your old remote control,but this one is an updated one can work with your AC. Use:Air Conditioner Wireless Communication:IR Frequency:433 MHz Channel:1 Model Number:RG57A4/BGEF color:White Material:plastic Package Contents: 1 x Universal AC Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.