Opened never tested never used. The round circle light is a sleek and modern ceiling light with a black shade and one LED chip. It is designed for indoor use with a downwards light direction and is energy-efficient with an A+++ energy efficiency rating. The light is hardwired and controlled with a wall switch, making it easy to use for all occasions in the 21st century. With no assembly required, this IP20 rated ceiling light is a stylish addition to any home, providing a bright and elegant lighting solution.