The LED Lamp Tester machine to test REAL WATT, COLOR TEMPERATURE, LUMEN of the energy saving Lamp, Leds. Specifications 1. Input voltage: AC100V-250V. The input voltage is the same as the testing voltage.2. Testing parameters: voltage, wattage, color temperature, luminous flux, luminous efficiency3. With different base: E27, E14, B15, B22, GU10, G9, It could test different lamps with different ...