Himark SVR-1000 VA AVRPhase: Single phase Voltage: AC 160-250V Frequency: 50Hz/60Hz Voltage: AC 220V/110V +/-3% Frequency(Inverter Mode): 50Hz/60Hz Power factor: 80% when input voltage 220V control type: servo motor with carbon brush Over/Low Volt protection : Yes short Circuit: Yes short Circuit & Over Load Fuse protectionDelay: Long 180s/Short 6s AC-AC: 0.96 Noise level: ≤50dB Temperature: -5-60 Degree Humidity: 20% to 90% 100% Original and BrandnewAll products are tested and checked before we ship-out.We send video of testing, photos of unit and photos of packaging for assurance.For more info feel free to direct message us.We have more products to post.Happy Shopping!