... voltage, wattage, color temperature, luminous flux, luminous efficiency3. With different base: E27, E14, B15, B22, GU10, G9 ... , It could test different lamps with different bases.4. Test steps: Keep the tested ... put the lamp into the globe. the test result will be showed after put testing switch down.5 ... is light(alumimum, 6.5Kgs only)7. With precise test data and competitive price.8. Only ...