... 2. Environmental conservancy 3. Reduce electricity bills up to 30% 4. Easy to use, maintenance free 5. Prolong the lifespan of appliance ... , Washing Machine, Fanner, Refrigerator, TV, Water Pump, Light etc How to use: Plug the electricity-saver box into any free power cord ... and current demands thus reducing the active power / KwH demands and can achieve up to 30% savings on your electricity bill ...