Replacement Remote Control for Midea MR COOL Koolking Bosch Carrier Toshiba AC Air Condtioner Display in both Fahrenheit and Celsius ! With LED Backlit ! ( Press and hold time UP and Down buttons at the same time for about 5 seconds to switch Celsius to Fahrenheit Compatible models: 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 RG57F3(B)/BGEFU1 RG57H(B)/BGE Rg57H/Bge RG57H3/BGEFU1 RG57H4/BGEFU1 RG57H4B/BGEFU1 RG57HB/BGE RG57K7(B)/BGEF RG57K7/BGEF RG57K7B/BGEF RG57OB/BGE-OS RG70E/BGEF Pre-programmed, no need to set up ! just put new batteries and it will work well. Batteries needed: 2X 1.5V AAA Alkaline Batteries ( not included). Replacement Remote Control for Midea MR COOL Koolking Bosch Carrier Toshiba AC Air Condtioner RG57B1/BGE RG57A6/BGEF RG57A6/BGEFU1 RG57E1/BGEU1 RG52A2/BGEFU1 RG57F3(B)/BGEFU1 RG57H3(B)/BGCEFU1-M -B