... our worldwide clients' markets. LED tube power meter,LED tester,Power meter,Demo boxLT-AC11021,Input voltage : AC ... lamp or other lamps without ballast inside the meter, the input voltage should be AC 100V-250V ... fluorescent adaptors.7, LOAD1 and LOAD2 have E27 base and multi-use sockets. It could test any ... connect the wire in additional.8,It have different socket converters ,such as E14,B15,B22,GU10,G9 ...