The LED Lamp Tester machine to test REAL WATT, COLOR TEMPERATURE, LUMEN of the energy saving Lamp, Leds. ... as the testing voltage.2. Testing parameters: voltage, wattage, color temperature, luminous flux, luminous efficiency3. With different base: E27, ... Only 15 minutes needed for your checking products quality.Product LED Lamp Tester, LED Light Tester and ENERGY SAVING LAMP tester with high quality