... LED light case Functions: upper cover:1Voltmeter,1 ampere meter,1power meter,1 electricity usage meter.1 illuminometer 6 sets MR16 bases ... for you.1.Partable,convenient to show your lights.Using LED democase,You can test downlight,spotlight,led bulb,ceiling light,grill lamp,LED strip light ... power consumption meter.Power Frequency meter.4.The size of LED display cases can be disigned 0.6m/1.2m.5. ...