*Automatic voltage regulation
*protection against brownouts and over voltages
* dual metes indicates line Voltage and regulated Voltage
* LED indicators to show status of Working Delayina and Unusual
*selectable Delay Time
* Buitt - in transformer: Square tanforner
*surge, spike and Lightning protection
* Global Valtage customization"
220V /230v/240v/110v/115v /120v