With a 1.9″ diameter and a T12 form factor, the PavoTube 30C 4′ RGBW LED Tube with Internal Battery 2 Light Kit from NanLite is ideal for hiding unobtrusively in small areas on a set or for shooting in vehicles such as cars, boats, or planes. The kit contains two PavoTube 30C 4′ LED Lights complete with AC adapter mounting clips and a carrying bag. You can connect the lights together with the included sync cord.