Demo LED case advantage: 1.Portable,lightweight 2.Useful and promotion 3.Customize 4.uniqueness LED light case Functions: upper cover:1Voltmeter,1 ampere meter,1power meter,1 electricity usage meter.1 illuminometer 6 sets MR16 bases Lower cover:2 sets E27 bases.4 sets E14 bases.2 sets GU10 bases3 sets MR16 basesockets and cables also included. Material:Aluminums Alloy FrameMDF in High Density ...