The RD metal halide lamp aging test chamber can simulate various environmental factors such as lighting, rain, temperature and humidity, condensation, etc., and can be independently adjusted; Using halogen lamps as light sources, which have a spectral distribution similar to sunlight, halogen lamps are scientifically used to simulate sunlight for lighting experiments; At the same time, there is a wide range of temperature and humidity regulation for adjustment; The rain adopts an independent circulation system, so when necessary, harmful gas substances can be added to the water supply source of the rain, the cooling water temperature of the sample rack can be changed, and the condensation amount and surface temperature of the sample can be adjusted. Therefore, this test chamber can be used for a combination test of multi factor weather resistance.