... free maintenance for one year 2. High efficiency of heat sinking 3.High lumen 3.With CE and RoH 80W high lumen square ... CDimension: Application: Flooding light for park, billboard, street, tunnel, parking lot, garden, factory, and wall washing light distribution: ... is based on correct conservation, assemblage, and maintenance. As incorrect usage, and disobeying product operation, it’s not guaranteed ...