... an easy use; 3.CE & UL certificater; 4.,use for light,refreigerator;air cnditionor Specifications: *Easy to Use, Maintenance free *Save ... switch on the unit. *When you see 1 blue LED light turn on, the unit has started saving electricity. *Install one ... .g. Motors, transformers, fluorescent lighting, etc.) 2012 new model design Business-type Power Saver with 24KW Useful Load/Single Phase 50KW Energy ...