Aputure Amaran 2-Light Kit with 4ft (120cm) Battery Powered RGBWW Color. The amaran PT4c is a 4-foot battery-powered pixel tube that is part of amaran’s first-ever full-color LED pixel tube series. The Pixel Tube series is comprised of a family of 1-foot, 2-foot, and 4-foot lengths – all featuring multiple Pixel FX, RGBWW color quality, Sidus Link app & DMX1 control, and USB-C rechargeable batteries packed into their sleek & slender form factor. At 4 feet in length, the amaran PT4c is an expansive and powerful tube light that adds waves of color to a scene.