... Annual power consumption;lumen and color temperature ect for the led lamp. Lumen and color temperature(CCT) tester for LED CFL products, with patent, ... from AC 100 to 277V within 300W.2. Testing parameters: Color temperature (CCT), Lumen, Luminous, efficiency. Voltage, Wattage, Current, ... (calculated by 10hrs/day)3. Equiped with different converter for E27, E14, B15, B22, GU10, G9.Could test different ...