Item Single-phase energy saver/Power saver Work Status Suitable for families, commercial area or the place with single phase electric socket Voltage 110V-250V AC Frequency 50/60Hz Load 0-30KW Suitable temperature range -5050 Method of Power compensation Automatic Main functions 1. Save electricity 2. Legal, 100% safe. Environment friendly 3. Improves power factor of appliances 4. Stabilizes voltage 5. Eliminates overheating of wiring and appliances 6. Harmonizes electrical current, reduces 7.size:133*95*55MM 8.WEIGHT:0.6KG