Now UDIR/C U12 Circuit board and Transmitter has two version .different version servo can not use with each other ,so need you see the picture as follow .then buy the right version of the Product Version 1 Transmitter(Light Color is orange) for UDI R/C U12 helicopter ( You must turn on your Transmitter ,then see the color of the light is Orange or Green .Version 1 and version 2 can not use together .so please carefully check your Transmitter) USD26.99 As low as USD $24.99 Note:This parts facotry no produce ,if you need repair your helicopter ,we suggest you can buy a new version 2 circuit board and new version 2 Transmitter Version 2 Transmitter(Light Color is Green) for UDI R/C U16 helicopter ( You must turn on your Transmitter ,then see the color of the light is Orange or Green .Version 1 and version 2 can not use together .so please carefully check your Transmitter)
Version 1 Circuit board for UDI R/C U12 helicopter-Transmitter color is Orange ( You must turn on your Transmitter ,then see the color of the light is Orange or Green .Version 1 and version 2 can not use together .so please carefully check your Transmitter) USD13.99 As low as USD $9.99 Note:This parts facotry no produce ,if you need repair your helicopter ,we suggest you can buy a new version 2 circuit board and new version 2 Transmitter Version 2 Circuit board for UDI R/C U16 helicopter-Transmitter color is Green ( You must turn on your Transmitter ,then see the color of the light is Orange or Green .Version 1 and version 2 can not use together .so please carefully check your Transmitter) USD13.99 As low as USD $9.99