The LED Lamp Tester machine to test REAL WATT, COLOR TEMPERATURE, LUMEN of the energy saving Lamp, Leds. Specifications 1. Input voltage ... efficiency3. With different base: E27, E14, B15, B22, GU10, G9, It could test different lamps with different bases.4 ... 15 minutes needed for your checking products quality.Product LED Lamp Tester, LED Light Tester and ENERGY SAVING LAMP tester with long life