this light holder will fit to the back of a nighthawk 200 quad frame. the LED its designed to fit are Matek WS2812. they are 10MM tall(.393inches) and 50MM lg.(1.968inches), with room for soldered wires at each end. this product is designed to fit only one strand of light. can make larger for other frames. can either be double sided stick taped or can be drilled to match holes in your frame.