This automotive comprehensive environmental test chamber simulates full vehicle operating environments for automotive electronics and whole-car performance verification, covering power supply, mechanical, climatic and chemical environment testing items. It supports temperature, humidity, solar irradiation, exhaust emission and dynamometer simulation, compliant with dozens of national GB automotive test standards. With wide -40℃~80℃ temperature range, adjustable solar light, multi-stage fresh air supply and complete safety protection systems, it stores test data in real time and supports auto/manual dual control. Custom internal dimensions and load parameters are available for M/N-class vehicles under 3.5 tons to verify reliability, fuel consumption, cold start, defrosting and emission indicators.