This is a flat par with 3W 54pcs led, this is a series flat par including 7pcs led, 12pcs led , 18pcs led. This item is very mature because its prototype is the traditional led par light. Advantage of this flat par is more thinner, and you can choose quantity of led and RGB, 4 in 1 , 5 in 1, 6 in 1 led are also can be chosen. Shipping fee is more cost-efficient and installation are more convenient.