Stech 600va Ups

12 VDC (1 battery)Model: SS600 Capacity: 600 VA Input: 230 VAC (140-300 VAC range) Frequency: 50 or 60 Hz (auto sensing) Battery: 12 VDC (1 battery) Output Regulation: ±10% in battery mode Waveform: Simulated sine wave Transfer Time: 4-8 ms typical Dimensions: 282 × 101 × 142 mm Operating Environment: 0-40°C, 0-90% RH (non-condensing) Noise Level: Less than 45 dB