... Testing parameters: voltage, wattage, color temperature, luminous flux, luminous efficiency3. With different base: E27, E14, B15, B22, GU10, G9, It could ... only about 10 seconds.6. The size of Spectroradiometer is very tiny(diameter of globe is only 0.5M); the total ... minutes needed for your checking products quality.Product LED Lamp Tester, LED Light Tester and ENERGY SAVING LAMP tester with long life