Model Number: AK-400VA~1200VA-#5887 Brand Name: CONPO Key Specifications/Special Features: Elementary for data protection:The off line UPS is in standby with batteries being charged in normal AC time. When the power supply unexpectedly shuts down, the built-in inverter will in no time convert the battery output into AC to keep stable power supply. The UPS is generally considered high rate, low noise while running and cost-effective, mostly used in comparably stable environment with a small fluctuation of utility power and lower requirement of power supply quality.Functions & features: 1).Micro controller (CPU)2).Waveform: square wave (battery mode)3).Wide AVR range4).Overload and short circuit protection
5).Low battery alarm
6).UPS Auto on when AC recovery
7).Off mode charging
8).Humidity: less than 90%