playground indoor is a good place to avoid a bad weather no matter raining or sunny. for a playground indoor,a light is a necessary and makes a bright places to play. so LED Area Light will your best choice.led area light made by E-lite semiconductor inc shall be your best choice.our led area light is with a famous brand chips and a longer life time.also we have speciall designed a nice cool system which is called vortex air flow thermal management system .it can ensure your light working in a normal tempreture.it is with a high quality,for more detailed information ,you can come to our factory and company and see our led area light in our lighting show room.maybe we can have a cooperation in our near future.we can make a difference in the field of led area light together.