Power supply: 220V AC50Hz or 120V AC60HzLamp type: E27 or any other lamp holder, T5T8T12 tubes or HIDLED street luminaries.Lamps holder positions: E27 lamp holder 168pcs or can be design optionHierarchy number: A total of 3 layers, three groups of independent control.ONOff life cycle test: it can be set the lamp ON time or Off time by PLC, then can read the total aging life in the big display screen.Test number: 099999 presentable and adjustableThe voltage of each layer independent displayOther type lamps being tested: By transforming lamps holder to make test.