... Tubes and Lamps Tester Case Description:Function1. LED lamp and traditional lamp can be tested at the same time. ... plugged in).2. Parameters for MR16 can be tested (direct-current power)3. Parameters for GU10,E14 ... and E26/E27 can be tested (voltage, current, power, power factor, annual current ... can’t be adjusted. So it can be tested that if the brightness of the lamp can ...