... Voltage is the s LED tube power meter,LED tester,Power meter,Demo box LT-AC1102 1,Input ... T8 fluorescent tube with the Magnetic ballast inside the tester, the input voltage should be AC 200V-250V ... with power plug, and no need to connect the wire in additional.8,It have different socket converters , ... power sockets, it could protect the over load short circuit.11,Compact size, small volume, very light , ...