... , so saving-energy how it is at a glance. Details for this LED test case:1. The case internal circuit: strictly distinguish ... , or contrast from different LED lights made from different manufacturers. Load sockets : MR16,GU10,E14,E17.E26/27,E40,T8,GU5 ... connect to DC9V~25V for testers power,3,4 connect to Load supply voltage,5,6 connect to load.Voltage range between 1 ...