... voltage, wattage, color temperature, luminous flux, luminous efficiency3. With different base: E27, E14, B15, B22, GU10, G9 ... test different lamps with different bases.4. Test steps: Keep the tested lamps light 15 minutes out ... 5M); the total weight is light(alumimum, 6.5Kgs only)7. With precise test data and competitive ... LED Lamp Tester, LED Light Tester and ENERGY SAVING LAMP tester with high quality