... 100V-250V. The input Voltage is the s LED tube power meter,LED tester,Power meter,Demo box LT-AC1102 1,Input voltage : AC 100V ... sockets. It could test any bulbs or electrical products with power plug, and no need to connect the wire in additional.8,It ... holders, it could test any electrical products with wire.10,With fuse inside the power sockets, it could protect the over load short ...