Outletmalls_92 Digital Display LED Lighting Demo Box LED Test Box Led Show Case 3521-7P. AC universal socket/AC clamp/DC12 clamp: 1PC. High quality AC dimmer: 1PC (AC the lamp dimming effect test). T8 Light box line: 1PC. The test instrument: AC multifunctional testing table 1PC. (test AC current, voltage, power, power factor, annual electricity consumption, the annual electricity). The DC power meter: 1PC (power DC12V). Power cord: 1PC (According to the requirements of configuration). The lamp holder and other functions, can be customized! All items are in brand new condition unless specified. Your positive feedbacks are extremely valuable to us.