LED TWINKLE STAR is a solid, strongly built material that can be incorporated into floor pattern design, pavement and garden. The resistance surface of resin and sand mixture allow for fitting into permanent building structure. The whole LED TWINKLE STAR is totally sealed for dust and waterproofing, it requires virtually no maintenance and no serviceable parts. On a low voltage supply, it is safe and consumes minimal electricity. When aligned in a matrix form, LED TWINKLE STAR will bring the starry night into your house both indoor and outdoor.A small handy controller can control up to 8 pieces in an excellent example of its versatile usage. With an SRC-171 controller, the number of units increases to 50 pieces!! It is a perfect floor material for the center of public places, such as hotel lobby and banquet hall.With an SL-410 controller, you will enjoy the full 6-function effect. Under the sophisticated SRC-171 controller, many more functions are added to your satisfaction. Including color, speed and strobe functions