The LED Lamp Tester machine to test REAL WATT, COLOR ... voltage, wattage, color temperature, luminous flux, luminous efficiency3. With different base: E27, E14, B15, B22, GU10, ... With precise test data and competitive price.8. Only 15 minutes needed for your checking products quality ... .Product LED Lamp Tester, LED Light Tester and ENERGY SAVING LAMP tester with high quality