The S-2000 on-camera light has 4 advanced LEDs, offering the equivalent of a 40W output at 5600K Color temperature with a low power consumption of only 12W with low heat radiation. The color temperature can be switched to 3200K by the Filter and the Dimmer enables you to control the amount of light output. The S-2000 has a D-tap power connector, accepts power from mount plate or batteries with D-tap socket. The cold shoe plate also can be taken off and fit for the screw thread.