... AC 200V-250V,50Hz. If test LED lamp or other lamps without ballast inside the meter, the ... inside could test different size and wattage of LED tubes or T8-T5 fluorescent adaptors.7, ... B22,GU10,G9. So it can test different lamps with different base9,With terminal holders, it could ... Best after sales-servicesWith 1 year warranty if non-human reason error, free of charge replacement is available. LED lamps ...