... Voltage is the s LED tube power meter,LED tester,Power meter,Demo box LT-AC1102 1,Input voltage ... T8 fluorescent tube with the Magnetic ballast inside the tester, the input voltage should be AC 200V-250V, ... inside the power sockets, it could protect the over load short circuit.11,Compact size, small volume, very light ... { 'aImgSrc': aBigImageSrc } ); } )(); T8 full range power meter(LED tester)-demo case