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. Test ... 15 minutes needed for your checking products quality.Product LED Lamp Tester, LED Light Tester and ENERGY SAVING LAMP tester with long life