... single phase electricity saving box for TV,Air-condition,refrigerator,washing machine,etc load:30KW,voltage ... energy saver/power saversingle phase power saver for TV,Air-condition,refrigerator,washing machine,etcWork StatusSuitable for families, commercial ... voltage5. Eliminates overheating of wiring and appliances6. Harmonizes electrical current, reduces7. Have gained CE&ISO certification8.prolong ...