Bsod MINI 21keys RF led controller Led RGB Controller 300 kinds of changes RF Wireless Digital Controller for Color LED Strip led Light WS2812 DC 5V (21keys RF controller) RF Remote control,long distance,mini size,wire connection is simple and very easy to use; Support almost every kind of one-wire or two-wire LED-DRIVER-IC ;(Can be customized) With 63 kinds of patterns,which are vivid and beautiful;each controller can controlup to 2048 pixels It is widely used in WS 2812 dream color led strip