LED Colour Changing Spotlight From $30

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Add some colour to your stage or next party with these par lights. Each light features super bright LEDs that can change colour between white, red, green and blue, which can be controlled using the built-in program, sound activated via the built-in microphone or from a DMX controller. The supplied bracket allows you to mount the light permanently or placed on a table for temporary use.
Quick video to give you a idea