... out the testing report.Testing item: Color temperature(CCT) ,Lumen, Luminous efficiency and tester for LED CFL products, testing wtta ... 100 to 277V within 300W.2. Testing parameters: Color temperature, Lumen, Luminous efficiency. Voltage, Wattage, Current,Power factor, Annual power ... is very tiny(Inside sphere φ0.40m); the hole of lamp installation is 14cm.4. With precise test data and competitive ...