DOF HVR-C300 5600K Daylight 240 Power LED Video Light Lamp for DSLR Camera and Camcorder Adopt aviation material,more durable and lightweight Special used for video taking You could use dual lamp splicing bayonet with stitching to splicing more lights in horizontal or vertical according to your needs Allowing multiple C300 Studio Panels to be linked in series. When the lights are linked together, the SCC allows you to control light intensity and color temperature of all panels within the series from a single variable dimmer controller or similarly through a DMX board AC/DC Cable;Compatible with Optional Li-Ion battery (e.g. F550, F750, F970) AA-type Battery