Product Lists Product Model # Works for Main Controller: SP636E--- SPI - Addressable Single Color - Max 600 ICs SP637E--- SPI - Addressable CCT Color Kelvin Changeable - Max 600 ICs SP638E--- SPI - Addressable RGB Color Changing - Max 600 ICs SP639E--- SPI - Addressable RGBW Color Changing - Max 450 ICs Remote Controller Handheld: RB1--- 2.4G Remote Controller Handheld for SP631E & SP636E RB2--- 2.4G Remote Controller Handheld for SP632E & SP637E RB3--- 2.4G Remote Controller Handheld for SP633E & SP638E RB4 2.4G Remote Controller Handheld for SP634E & SP639E Wall Panel Controller: RC1--- 2.4G 86 Wall Panel for SP631E & SP636E RC2--- 2.4G 86 Wall Panel for SP632E & SP6367 RC3--- 2.4G 86 Wall Panel for SP633E & SP638E RC4--- 2.4G 86 Wall Panel for SP634E & SP639E