Stavolt Central 2000 VA Automatic Voltage Regulation Protection against Brownouts & Over voltages Short Circuit & Overload Protection Dual meters indicate line voltage and regulated voltage LED indicators status of Working Unusual and Delaying. Selectable Delay Time Selectable Regulate Range Resettable Circuit Breaker Surge Spike and Lightning Protection 220V/230V/240V/110V/115V/120V dipasang setelah meter listrik untuk cover 1 gedung Input: AC 140V-250V Output: AC 220V+-5% Frequency: 50Hz/60Hz, Delay Time: 6 Secs/3 Mins