Digital Home Electricity Power Energy Saver

Features:
Save and reduce electrical energy consumption up to 30% by stabilizing the voltage.
Prevents electrical overheating, prolongs the life of electrical devices.
Perfect for heavy duty load or monthly consumption within 28KW.
Simple to use, just plug into any socket at home, no need other tools.
Made of ABS material, environmental-friendly, harmless and safe to use.
Suitable for houses, shops, restaurants, offices, small factories, etc.